Koi-Koi
Japanese Hanafuda Card Game
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Free
In-App Purchases
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About
Koi-Koi is a cinematic hanafuda card game built around four distinctive worlds. Begin with Nitō the Ronin at Red Fuji for free, then unlock premium campaigns and modes when you are ready.
Play Hokusai Battles across a seven-rival ukiyo-e journey, step into the warm chaos of six living cafés, ride an after-work night toward the last train, or add Talk Show + Cross Mode for live commentator reactions across supported worlds.
The game preserves traditional Koi-Koi tactics while presenting each match as a richly illustrated scene with authored rivals, stages, music, and atmosphere.
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What's New in Koi
1.1
September 25, 2026
This update improves stability when returning to the main menu, adds a Japan Almanac video showcase, makes completed yaku and round results clearer, and refines layouts across iPhone SE, larger iPhones, and iPad. It also includes character framing and café-scene visual polish.
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Subscriptions & In-App Purchases
$2.99
Hokusai Battles
Unlock the complete seven-rival ukiyo-e campaign.
