# Koi\-Koi Japan \[Hanafuda playing cards\]

Summer DB entity ID: fa0bfdae\-1182\-4a7c\-bc37\-b354774a106c

Steam App ID: 364930

If you want learning "Hanafuda", "Koi\-Koi Japan" is the fastest way\! Everyone can be a "Koi\-Koi" Master\!  "Hanafuda" is a traditional Japanese card game\. Now you can play Koi Koi, its most well\-known variation\.  In Koi Koi, you compete to snatch up cards that will allow you to win by forming Yaku, or card combinations, before your opponent does\. If you form a Yaku, you can aim for even more points by calling "Koi Koi" and continuing the game\. I hope you'll try this simple, but fiercely competitive game of strategy\. ◆Optimized for Hanafuda Beginners We've prepared an easy\-to\-use tutorial for those who may be playing for the first time\.  Now anyone can learn the basic rules and start enjoying Koi Koi right away\. ◆Beautiful Japanese Design The cards with floral and animal designs evoke a sense of "wabi sabi," a uniquely Japanese aesthetic\. Combined with elegant music, this enchanting game is sure to captivate you\. ◆Great Replay Value Enjoy the game again and again with extra features such as achievements and Collection Mode where you can collect postcards depicting Japanese scenery\.

## Game information

- Type: game

- Developer: Zoo Corporation

- Publisher: Zoo Corporation

- Release date: Apr 27, 2015

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Casual

- Categories: Single\-player, Multi\-player, PvP, Online PvP, Cross\-Platform Multiplayer, Steam Achievements, Steam Trading Cards, Steam Cloud, Steam Leaderboards, Family Sharing

- Platforms: windows, mac

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_523755391210e61448b2ebd679c07e61188cefc6\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_834540285bff3443b5927e9b2a3abf4b9622f92b\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_503a9166564e7575a6b5b96f80036636fddbbeb4\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_a634195f234d7c88d3b2c50a3d33f77abad7bdec\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_98687112f152e72a8bd226e1a9598ebdd3da5e6f\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_193604d98b062964a14c12c2cad99fff1ccb0df4\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_2b98c91632e06f31410fef2d7d24d3a5eea10060\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_210b0dcac603dd376915822d10d952680107a6df\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_51ba2f1efdb89640a3905fa9656c25f603915f91\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_4c6551789d93025e48572fc50541af9bbd78eb3d\.1920x1080\.jpg?t=1770962619, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/364930/ss\_faf834d548efc244bad291f3b562f899adfc571c\.1920x1080\.jpg?t=1770962619

- Price: 999 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 1

- Steam review count: 1171

- Steam positive reviews: 1076

- Steam negative reviews: 95

- Steam positive percentage: 91.8872758326217%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/fa0bfdae-1182-4a7c-bc37-b354774a106c/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/fa0bfdae-1182-4a7c-bc37-b354774a106c/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-22T04:23:40\.095371\+00:00

- Player count observed: 2026\-09\-22T04:23:41\.352698\+00:00

- Reviews observed: 2026\-09\-22T04:23:41\.082819\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/364930/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/364930/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=364930","reviews":"https://store\.steampowered\.com/appreviews/364930"\},"price":"2026\-09\-22T04:23:40\.095371\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-22T04:23:40\.095371\+00:00","players":"2026\-09\-22T04:23:41\.352698\+00:00","reviews":"2026\-09\-22T04:23:41\.082819\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"5f076365\-d2f8\-4d8d\-bb1b\-b35dd0976a36","catalog":"974277ba\-0414\-40b7\-9fb1\-1db78aa40359","details":"3c1e575b\-372b\-48c6\-8e32\-db189a36cca9","players":"d9d8965b\-1224\-4241\-bc15\-ddd3c878725c","reviews":"fb730784\-0b95\-49ed\-8566\-ef475fa37007"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"fa0bfdae\-1182\-4a7c\-bc37\-b354774a106c","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/364930/) · [JSON](/api/v1/games/fa0bfdae-1182-4a7c-bc37-b354774a106c)