Whimsy Koi is a cozy idle game where you manage calming koi ponds. Collect various whimsical koi fish and decorate your ponds however you want. Just relax and enjoy the tranquil experience.

Whimsy Koi is a relaxing idle game where you manage beautiful koi ponds and collect magical koi fish.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/58a41ed142e0b0117f977b7815f2f102.poster.avif?t=1769807238" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/58a41ed142e0b0117f977b7815f2f102.webm?t=1769807238" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/58a41ed142e0b0117f977b7815f2f102.mp4?t=1769807238" type="video/mp4"></video><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/d51e863eacdd32ee0c59be717dc23e8e.poster.avif?t=1769807238" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/d51e863eacdd32ee0c59be717dc23e8e.webm?t=1769807238" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/d51e863eacdd32ee0c59be717dc23e8e.mp4?t=1769807238" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/03a9d17e8767d49aa38cadd9a82f6af4.webp?t=1769807238" width=600 height=48 />150 cute, handcrafted koi designs await in the demo, from patterns inspired by real koi to completely magical varieties. Discover and complete your koi collection!<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/178181e760e3359b9a9a070acd244201.poster.avif?t=1769807238" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/178181e760e3359b9a9a070acd244201.webm?t=1769807238" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/178181e760e3359b9a9a070acd244201.mp4?t=1769807238" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/b37dfd2002fa7c130e2cf86af1972f05.webp?t=1769807238" width=700 height=48 />Decorate and personalize your ponds with different decorations. Customize everything from the lighting and background to special effects to create your dream pond.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/163c3321e7a20d1d7efcb7ae4f8a9a86.poster.avif?t=1769807238" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/163c3321e7a20d1d7efcb7ae4f8a9a86.webm?t=1769807238" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/163c3321e7a20d1d7efcb7ae4f8a9a86.mp4?t=1769807238" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/4bc476f6e3d3167dcf7487dacd452d40.webp?t=1769807238" width=700 height=48 />The ponds hold many secrets! Discover special interactions between your koi to unlock new koi, rare decorations, and other hidden items.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/25eb40232b0dd17a924fce695dc9cbf1.poster.avif?t=1769807238" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/25eb40232b0dd17a924fce695dc9cbf1.webm?t=1769807238" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/25eb40232b0dd17a924fce695dc9cbf1.mp4?t=1769807238" type="video/mp4"></video><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/b112871041219c417590935caf64444a.poster.avif?t=1769807238" width=1170 height=658 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/b112871041219c417590935caf64444a.webm?t=1769807238" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4335390/extras/b112871041219c417590935caf64444a.mp4?t=1769807238" type="video/mp4"></video>

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Whimsy Koi Demo Achievements