# Case Study (EN)

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h4>Hello Kitty My Dream Store Achieves Up to 3x Higher ROAS vs. Market Average</h4></td><td><a href="https://2344874331-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FGaMHNgTgWsmpkeIEs6mw%2Fuploads%2FmErnkgou02WCmub9TtmA%2Fmaxresdefault%20(1)%20(1).jpg?alt=media&#x26;token=b87cf4c6-5c59-45ff-9f4d-367b22cabe05">maxresdefault (1) (1).jpg</a></td><td><a href="hello-kitty-my-dream-store-achieves-up-to-3x-higher-roas-vs.-market-average#about-the-client">#about-the-client</a></td></tr><tr><td><h4>Achieves up to 358% ROAS with Playio’s Dungeon Optimization Strategy!</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/KlPImz0aJUtycX64o769/image%20(7).webp">image (7).webp</a></td><td><a href="less-than-spirit-king-quest-greater-than-achieves-up-to-358-roas-with-playios-dungeon-optimization-s#about-the-client">#about-the-client</a></td></tr><tr><td><h4>&#x3C;Rent Please!-Landlord Sim> : Achieved up to ROAS  253% with Female Targeting &#x26; Quest-Based Strategy</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/eXpUacibfsPZG5Rg6ESy/image%20(6).webp">image (6).webp</a></td><td><a href="less-than-rent-please-landlord-sim-greater-than-achieved-up-to-roas-253-with-female-targeting-and-qu#about-the-client">#about-the-client</a></td></tr><tr><td><h4>Achieved 108% ROAS in Just 2 Weeks!</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/D58LKGWwwiF2T9n5g8jL/image%20(5).webp">image (5).webp</a></td><td><a href="achieved-108-roas-in-just-2-weeks#about-the-client">#about-the-client</a></td></tr><tr><td><h4>Achieving 119% D14 ROAS with Quest-Based Optimization Strategy for DDDigger</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/rd819P1imWJSascQkuBU/image%20(4).webp">image (4).webp</a></td><td><a href="achieving-119-d14-roas-with-quest-based-optimization-strategy-for-dddigger#about-the-client">#about-the-client</a></td></tr><tr><td><h4>Achieving 101% ROAS with High-Level Progression Strategy in &#x3C;I9: Inferno Nine></h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/2ETaUKwZENyLyxV6BQLr/image%20(3).webp">image (3).webp</a></td><td><a href="achieving-101-roas-with-high-level-progression-strategy-in-less-than-i9-inferno-nine-greater-than#about-the-client">#about-the-client</a></td></tr><tr><td><h4>Island Times: Easy Life Achieves ROAS D14 200% in Playio Taiwan</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/CSZMSdJNvsOmOVmuIWBN/image%20(2).webp">image (2).webp</a></td><td><a href="island-times-easy-life-achieves-roas-d14-200-in-playio-taiwan#client-introduction">#client-introduction</a></td></tr><tr><td><h4>AppQuantum’s Gold &#x26; Goblins Tops the Charts in Playio Taiwan</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/hKuMpujP9EqQRtDwwnNf/image%20(1).webp">image (1).webp</a></td><td><a href="appquantums-gold-and-goblins-tops-the-charts-in-playio-taiwan#about-the-client">#about-the-client</a></td></tr><tr><td><h4>[Playio JP Case Study] TREEPLLA Achieves 234% ROAS through Playio Japan Campaign</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/4IBDzaerkiPOJwc9I9G0/image.webp">image.webp</a></td><td><a href="playio-jp-case-study-treeplla-achieves-234-roas-through-playio-japan-campaign#treeplla-introduction">#treeplla-introduction</a></td></tr><tr><td><h4>SuperPlanet: Strengthening Targeting and User Retention through Playio CBT</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/eoRtGftXe3fpmnMn6ifQ/image%20(5).webp">image (5).webp</a></td><td><a href="superplanet-strengthening-targeting-and-user-retention-through-playio-cbt#client-introduction">#client-introduction</a></td></tr><tr><td><h4>Brain Test: Tricky Puzzles – How Playio Helped Achieve 144.62% Cumulative ROAS with Hidden Quests, Puzzle Events, and Community Engagement</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/2VXyYW1NEl1oqQ8mj5eb/image%20(4).webp">image (4).webp</a></td><td><a href="brain-test-tricky-puzzles-how-playio-helped-achieve-144.62-cumulative-roas-with-hidden-quests#client-overview">#client-overview</a></td></tr><tr><td><h4>Case Study: Hello Games Achieves 195% D30 ROAS for "Hamtopia: Merge Dream Shopping Mall" Through Targeted Marketing</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/f5ABIL8oXujfIMPqDXpr/image%20(3).webp">image (3).webp</a></td><td><a href="case-study-hello-games-achieves-195-d30-roas-for-hamtopia-merge-dream-shopping-mall-through-tar#client-overview">#client-overview</a></td></tr><tr><td><h4>How Office Cat Achieved 209% D30 ROAS with Hidden Quests and Engagement Strategies</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/J7FPRoIlsu7kkS7hBPN1/image%20(1).webp">image (1).webp</a></td><td><a href="how-office-cat-achieved-209-d30-roas-with-hidden-quests-and-engagement-strategies#client-overview">#client-overview</a></td></tr><tr><td><h4>Merge Camp, Securing High LTV users through Playio’s AI recommendation system</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/fWLWtAQusZ00IDXpE93I/1.webp">1.webp</a></td><td><a href="merge-camp-securing-high-ltv-users-through-playios-ai-recommendation-system#client-overview">#client-overview</a></td></tr><tr><td><h4>“봉술사 키우기”, Maximizing Long-Term Retention with Time Quests</h4></td><td><a href="https://content.gitbook.com/content/GaMHNgTgWsmpkeIEs6mw/blobs/ooD6N36pv4w1skOnIyGs/image.webp">image.webp</a></td><td><a href="maximizing-long-term-retention-with-time-quests#introducing">#introducing</a></td></tr></tbody></table>