Atari-Klassiker: Bot spielt Q*bert und erreicht dank Bug "unmögliche" Highscores

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class="a-u-show-from-tablet a-cholor-scheme-tablet"></a-color-scheme> </div> </div> </div> </header> </div> <template id="upscore-reco-template-free"> <article class=" a-article-teaser a-article-teaser--mobile-in-list a-theme " data-upscore-object-id="${object_id}" data-cid="${object_id}" > <a href="${url}" title="${title}" class=" a-article-teaser__link " data-upscore-url > <figure class=" a-article-teaser__image-container" > <div > <a-img width="16" height="9" layout="responsive" src="${image}" alt="${title}" quality="85" high-dpi-quality="70" style=" aspect-ratio: 16 / 9;" > <img src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='696px' height='391px' viewBox='0 0 696 391'%3E%3Crect x='0' y='0' width='696' height='391' fill='%23f2f2f2'%3E%3C/rect%3E%3C/svg%3E" width="16" height="9" alt="${title}" style="aspect-ratio: 16 / 9; object-fit: cover;" > </a-img> <noscript> <img src="https://heise.cloudimg.io/width/16/q50.png-lossy-50.webp-lossy-50.foil1/_www-heise-de_/$%7Bimage%7D" srcset=" https://heise.cloudimg.io/width/336/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 336w, https://heise.cloudimg.io/width/1008/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 1008w, https://heise.cloudimg.io/width/16/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 16w, https://heise.cloudimg.io/width/32/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 32w " sizes="" alt="${title}" width="16" height="9" class="legacy-img " loading="lazy" decoding="async" style="background-color: #f2f2f2;" onload="this.style=null;" > </noscript> </div> </figure> <div class=" a-article-teaser__content-container " > <header> <h3 class=" a-article-teaser__title " > <span class=" a-article-teaser__kicker " > ${intro} </span> <span class="a-article-teaser__title-text" data-upscore-title>${title} </span> </h3> </header> <p class=" a-article-teaser__synopsis " >${lead} </p> </div> </a> </article> </template> <template id="upscore-reco-template-premium"> <article class=" a-article-teaser a-article-teaser--mobile-in-list a-theme " data-upscore-object-id="${object_id}" data-cid="${object_id}" > <a href="${url}" title="${title}" class=" a-article-teaser__link " data-upscore-url data-google-interstitial=false > <figure class=" a-article-teaser__image-container" > <div > <a-img width="16" height="9" layout="responsive" src="${image}" alt="${title}" quality="85" high-dpi-quality="70" style=" aspect-ratio: 16 / 9;" > <img src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='696px' height='391px' viewBox='0 0 696 391'%3E%3Crect x='0' y='0' width='696' height='391' fill='%23f2f2f2'%3E%3C/rect%3E%3C/svg%3E" width="16" height="9" alt="${title}" style="aspect-ratio: 16 / 9; object-fit: cover;" > </a-img> <noscript> <img src="https://heise.cloudimg.io/width/16/q50.png-lossy-50.webp-lossy-50.foil1/_www-heise-de_/$%7Bimage%7D" srcset=" https://heise.cloudimg.io/width/336/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 336w, https://heise.cloudimg.io/width/1008/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 1008w, https://heise.cloudimg.io/width/16/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 16w, https://heise.cloudimg.io/width/32/q30.png-lossy-30.webp-lossy-30.foil1/_www-heise-de_/$%7Bimage%7D 32w " sizes="" alt="${title}" width="16" height="9" class="legacy-img " loading="lazy" decoding="async" style="background-color: #f2f2f2;" onload="this.style=null;" > </noscript> </div> </figure> <div class=" a-article-teaser__content-container " > <header> <h3 class=" a-article-teaser__title " > <span class=" a-article-teaser__kicker " > ${intro} </span> <span class="a-article-teaser__title-text" data-upscore-title> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" role="img" preserveAspectRatio="xMinYMin" class="heise-plus-logo a-article-teaser__plus-icon" > <style> .plus-icon-svg-rec { fill: #14315b; } .plus-icon-svg-path { fill: #f2f2f2; } .dark .plus-icon-svg-rec { fill: #f2f2f2; } .dark .plus-icon-svg-path { fill: #323232; } </style> <rect class="plus-icon-svg-rec" width="32" height="32" rx="12" ry="12"/> <path class="plus-icon-svg-path" d="M24 14.3h-6.3V8h-3.4v6.3H8v3.4h6.3V24h3.4v-6.3H24z"/> </svg>${title} </span> </h3> </header> <p class=" a-article-teaser__synopsis " >${lead} </p> </div> </a> </article> </template> <template id="upscore-reco-template-wrapper-homepage"> <div class="teaser-grid teaser-grid--3 top-stage__row">${content}</div> </template> <template id="upscore-reco-template-wrapper-article-premium"> <aside class="stage stage--channel a-u-grid-pullout-mobile a-u-grid-pushin-mobile" aria-role="complementary"> <header class="a-container-header stage__header stage__header--no-mobile-padding a-container-header--bordered a-container-header--one-row"> <a href="/plus/" class="a-container-header__link"> <h2 class=" a-container-header__heading a-container-header__heading--small "> <span class=" a-container-header__logo a-container-header__logo--heiseplus a-container-header__logo--margin "> heise+ </span> <span class="a-container-header__slug"> Das Beste aus heise+ </span> </h2> <nav class="a-container-header__more"> <span class=" a-container-header__more-text a-u-show-from-tablet "> Zur heise+ Startseite </span> <span class="a-container-header__more-icon"></span> </nav> </a> </header> <div class=" teaser-grid teaser-grid--h-gutter teaser-grid--4 channel_ho "> ${content} </div> </aside> </template> <template id="upscore-reco-template-wrapper-article"> <aside class="stage stage--channel a-u-grid-pullout-mobile a-u-grid-pushin-mobile" aria-role="complementary"> <header class="a-container-header stage__header stage__header--no-mobile-padding a-container-header--bordered a-container-header--one-row"> <a href="/" class="a-container-header__link"> <h2 class=" a-container-header__heading a-container-header__heading--small "> <span class=" a-container-header__logo a-container-header__logo--ho a-container-header__logo--margin "> heise online </span> <span class="a-container-header__slug"> Top-Beiträge von heise online </span> </h2> <nav class="a-container-header__more"> <span class=" a-container-header__more-text a-u-show-from-tablet "> Zur heise online Startseite </span> <span class="a-container-header__more-icon"></span> </nav> </a> </header> <div class=" teaser-grid teaser-grid--h-gutter teaser-grid--4 channel_ho "> ${content} </div> </aside> </template> <template id="upscore-reco-template-wrapper-article-en"> <aside class="stage stage--channel a-u-grid-pullout-mobile a-u-grid-pushin-mobile" aria-role="complementary"> <header class="a-container-header stage__header stage__header--no-mobile-padding a-container-header--bordered a-container-header--one-row"> <a href="/" class="a-container-header__link"> <h2 class=" a-container-header__heading a-container-header__heading--small "> <span class=" a-container-header__logo a-container-header__logo--ho a-container-header__logo--margin "> heise online </span> <span class="a-container-header__slug"> Most popular articles by heise online </span> </h2> </a> </header> <div class=" teaser-grid teaser-grid--h-gutter teaser-grid--4 channel_ho "> ${content} </div> </aside> </template> <div class="a-layout a-layout--transparent a-u-no-margin-bottom"> <div class=" a-layout__container a-layout__container--full-width" > <div class="a-layout__item a-layout__item--full-width"> <div class="ad-ldb-container"> <script>performance.mark('FRAME-Ads Anfang');</script> <div class="perf-cls-reduc-leaderboard"> <div id="HEI_D_Top" class="" ></div> </div> <div class="ad ad--skyscraper a-u-show-from-tablet"> <div id="HEI_D_Right" class="" ></div> </div> <script> performance.mark('FRAME-Ads 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losgelassen und untersucht, wie sie sich gegen das etablierte Reinforcement Learning schlagen. Dabei hat ihr Bot im Hüpfspiel Q*bert einen Bug gefunden, der "unmögliche" Highscores erlaubt. </p>  <div class=" a-article-header__service a-article-header__service--right " > <a href="https://getpocket.com/save?url=https%3A%2F%2Fwww.heise.de%2Fnews%2FAtari-Klassiker-Bot-spielt-Q-bert-und-erreicht-dank-Bug-unmoegliche-Highscores-3986024.html" class=" a-article-action a-article-action--pocket " name="meldung.newsticker.header.pocket" target="_blank" rel="nofollow noopener noreferrer" title="In Pocket speichern" > <svg class="a-article-action__icon"> <use href="/icons/common-icons.svg#pocket"></use> </svg> <span class="a-u-sr-only">In Pocket speichern</span> </a> <a href="//app-eu.readspeaker.com/cgi-bin/rsent?customerid=4407&lang=de_de&readid=meldung&url=https%3A%2F%2Fwww.heise.de%2Fnews%2FAtari-Klassiker-Bot-spielt-Q-bert-und-erreicht-dank-Bug-unmoegliche-Highscores-3986024.html%3Fseite%3Dall" title="Beitrag vorlesen und MP3-Download" class="a-article-action 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src="https://heise.cloudimg.io/width/610/q85.png-lossy-85.webp-lossy-85.foil1/_www-heise-de_/imgs/18/2/3/8/2/9/1/7/Bildschirmfoto_2018-03-04_um_15-92a5e9e74cdb74bb.png" srcset=" https://heise.cloudimg.io/width/336/q70.png-lossy-70.webp-lossy-70.foil1/_www-heise-de_/imgs/18/2/3/8/2/9/1/7/Bildschirmfoto_2018-03-04_um_15-92a5e9e74cdb74bb.png 336w, https://heise.cloudimg.io/width/1008/q70.png-lossy-70.webp-lossy-70.foil1/_www-heise-de_/imgs/18/2/3/8/2/9/1/7/Bildschirmfoto_2018-03-04_um_15-92a5e9e74cdb74bb.png 1008w, https://heise.cloudimg.io/width/610/q70.png-lossy-70.webp-lossy-70.foil1/_www-heise-de_/imgs/18/2/3/8/2/9/1/7/Bildschirmfoto_2018-03-04_um_15-92a5e9e74cdb74bb.png 610w, https://heise.cloudimg.io/width/1220/q70.png-lossy-70.webp-lossy-70.foil1/_www-heise-de_/imgs/18/2/3/8/2/9/1/7/Bildschirmfoto_2018-03-04_um_15-92a5e9e74cdb74bb.png 1220w " sizes="(max-width: 991px) 95vw,610px" alt="KI-Bot spielt Atari-Klassiker und findet Bug in Q*Bert" width="610" height="342" class="legacy-img " loading="eager" decoding="async" style="background-color: #f2f2f2;" onload="this.style=null;" > </div> <figcaption class="a-caption " > <p class="a-caption__source"> (Bild: Patryk Chrabąszcz (Screenshot aus Video)) </p> </figcaption> </figure> </a-lightbox>  <div class="a-article-header__publish-info"> <div class="a-publish-info "> <time datetime="2018-03-04T17:24:00+01:00" class=" a-datetime a-publish-info__datetime" > <span class=" a-datetime__date a-publish-info__date" >04.03.2018, </span> <span class="a-datetime__time ">17:24 </span> <span class=" a-datetime__word " > Uhr </span> </time>  <div class="a-publish-info__read-time"> <span class="a-publish-info__read-time-value"> Lesezeit: 2 Min. </span> </div> <div class="a-publish-info__branding"> <a href="/newsticker/"> </a> </div>  </div> <div class="creator"> <span class="creator__label"> Von </span> <ul class="creator__names"> <li class="creator__name"><a href="/autor/Tilman-Wittenhorst-3629549" class="creator__link" >Tilman Wittenhorst</a></li> </ul> </div> </div></header> <aside class="article-layout__header-wrbng">  <div id="HEI_D_Incontent-1-label" style="display: none;" class="ad-label" >Anzeige</div> <div id="HEI_D_Incontent-1" data-size="300x250,300x600,300x3,fluid" class="ad ad--sticky" ></div>  </aside> </div> <div class="article-layout__content-container"> <div class="article-layout__content" dir="ltr" > <div class="article-content js-upscore-article-content-for-paywall"> <p>Drei Forscher an der Universität Freiburg haben einen Bot mit künstlicher Intelligenz auf klassische Atari-Konsolenspiele angesetzt und untersucht, wie gut unterschiedliche Algorithmen des maschinellen Lernens dafür geeignet sind. Sie setzten auf <a href="https://en.wikipedia.org/wiki/Evolution_strategy" rel="external noopener" target="_blank">Evolution Strategies</a> (ES) und verglichen sie mit den Algorithmen des Reinforcement Learning (RL, bestärkendes Lernen), wie <a href="https://www.theregister.co.uk/2018/03/02/ai_qbert_bug/" rel="external noopener" target="_blank"><em>The Register</em> schreibt</a>.</p>  <div class="ad-label" id="HEI_M_Incontent-1-label" style="display: none;">Anzeige</div> <a-paternoster class="a-paternoster-ad" height="360" media="(min-width: 320px) and (max-width: 767px)"> <div class="" id="HEI_M_Incontent-1"></div> </a-paternoster>  <h3 class="subheading" id="nav_evolution__0">Evolution Strategies meistern Videospiele</h3> <p>In ihrer <a href="https://arxiv.org/pdf/1802.08842" rel="external noopener" target="_blank">Forschungsarbeit "Back to Basics: Benchmarking Canonical Evolution Strategies for Playing Atari"</a> (PDF-Datei) erproben Patryk Chrabaszcz, Ilya Loshchilov und Frank Hutter grundlegende ES-Algorithmen (Canonical ES) an Atari-Spielen, einer bekannten Deep-Learning-Herausforderung. Sie fütterten ihren Bot mit Daten aus Titeln wie Pong, Breakout oder Space Invaders und ließen ihn anschließend Spielstrategien ausprobieren, die zu möglichst hohen Punktzahlen führten.</p> <p>Bei solchen Aufgaben galten bislang eher RL-Algorithmen als erfolgversprechend, in einigen Fällen erwiesen sich allerdings spezialisierte ES-Algorithmen als eine Alternative. Die Forscher wollten jedoch zeigen, dass auch grundlegende ES-Algorithmen eine vergleichbare oder bessere Performance bei Lösen einer Aufgabe liefern können als RL-Algorithmen. In manchen Fällen ist dieses Ergebnis auch eingetreten, allerdings versagten die ES-Methoden in einigen Fällen. Deshalb empfehlen die Forscher, beide Algorithmen-Arten zu kombinieren.</p> <h3 class="subheading" id="nav_bug_durch__1">Bug durch Herumprobieren gefunden</h3> <p>Bei dem <a href="https://de.wikipedia.org/wiki/Q*bert" rel="external noopener" target="_blank">Plattform-Hüpfspiel Q*bert</a> von 1982 trickste der Bot ungeplant das Gamedesign aus. Der Bot verlor das Interesse daran, ein Level zu beenden und stürzte sich stattdessen mit einem Gegner auf den Fersen in den virtuellen Tod. Da der Gegner jedes Mal hinterhersprang, verlor der Spieler zwar ein "Leben", gewann jedoch durch das Erledigen des Gegners genug Punkte hinzu, um das Level endlos fortzusetzen.</p> <p>In einem weiteren Fall fand die KI sogar einen Bug in Q*bert. Ist ein Level abgeschlossen ist, blinken die Plattformen und das Spiel müsste eigentlich zur nächsten Stufe wechseln. 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style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Sudoku</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/mahjong/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Mahjong-dadc17e42d4d0f09.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Mahjong</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/exchange/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Exchange-3ac5346890dde38b.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">eXchange</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/bubble-shooter/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Bubble_Shooter-70f8bf00e5d8cb7a.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Bubbles</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/snake/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Snake-11d99ecf707d706b.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">SNAKE</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/sudoken/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Sudoken-d3961612618266ba.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">SudoKen</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/schach/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Schach-f9930e929d241edd.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Schach</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/fibonacci/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Fibonacci-899998d69809885f.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Fibonacci</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/2048/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/2048-d91b9e15e1b85296.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Power Of 2</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/street/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Street-46679fe14a0edf4e.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Street</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/cuboro/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Cuboro-3453aaadeeb1f1a2.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Cuboro Riddles</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/shooter/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Gumblast-487a8fc75d0f7de7.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Gumblast</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/doppel4/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Doppel-6bf1d5ee6de59ac7.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Doppel</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/rushtower/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Rushtower-6606d3c4deb99290.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Rushtower</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/wortblitz/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Wortblitz-ca2e51cafe870d3f.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Wortblitz</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/wimmelbild/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Wimmelbild-bd58f31116493bf9.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Wimmelbild</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/skiracer/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Skyracer-3167449d7c9babc0.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Skiracer</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/sudoku/leicht/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Sudoku_leicht-e6cb9b472647063e.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Sudoku leicht</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/sudoku/schwer/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Sudoku_schwer-a777907f4d29c574.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Sudoku schwer</header></a></li><li class="grow flex-1"><a href="https://spiele.heise.de/sudoku/sehr-schwer/" class="h-full flex flex-col gap-4 ho-bg ho-text"><figure><figure data-component="Image" class="border-white w-36 h-36 md:w-44 md:h-44 dark:border-4"><a-img width="1000" height="1000" src="https://www.heise.de/imgs/18/4/5/5/6/3/5/0/Sudoku_sehr_schwer-ea08117c2672bd4b.jpg" style="aspect-ratio:1000 / 1000"><img src="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iNjk2cHgiIGhlaWdodD0iMzkxcHgiIHZpZXdCb3g9IjAgMCA2OTYgMzkxIiB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiPgogICAgPGcgc3Ryb2tlPSJub25lIiBmaWxsPSIjZjJmMmYyIiBmaWxsLW9wYWNpdHk9IjEiPgogICAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI2OTYiIGhlaWdodD0iMzkxIj48L3JlY3Q+CiAgICA8L2c+Cjwvc3ZnPg==" width="1000" height="1000" style="aspect-ratio:1000 / 1000;object-fit:cover"/></a-img></figure></figure><header class="text-xl font-bold leading-none text-center ">Sudoku sehr schwer</header></a></li></ul></div><button class="scroll-left text-ho-text"><svg class="m-auto h-5 w-5 rotate-180 fill-current" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 7.41 12" fill="#666"><path d="M0 10.59L4.58 6 0 1.41 1.41 0l6 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