Hanafuda Koi-koi Collection

Name: Hanafuda Koi-koi Collection
Rating: 4.2 (78 reviews)
Author: CHAOS

By: CHAOS

Real 3D Hanafuda Koi-koi

Features & Capabilities

Hanafuda Koi-koi Collection

Hanafuda Koi-koi Collection brings the classic two-player Japanese card game Koikoi to your browser with real 3D visuals. Play against a CPU or another player, matching cards by month and plant to claim them and build yaku (scoring hands). The game emphasizes strategy and timing, letting you enjoy authentic Koikoi gameplay in a modern Chrome extension.

Gameplay revolves around a LIFE system: you start with 25 LIFE points; every time you cut a card costs 1 LIFE. When you win a yaku, LIFE increases by the yaku's value; if the CPU wins, LIFE decreases by that value. There is no limit to the number of rounds—play continues until LIFE runs out, while you compete for the total yaku points earned.

User Growth & Download Statistics

App Games Entertainment

By:

CHAOS

Rating:

4.20

(78)

Version:

1.0.2 Last updated: 2021-08-06

Version code:

843416201

Creation date:

2021-07-30

Compatible devices:

Size:

201.90MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-07

Compare stats and ranking:

Ranking

# 170,397 ▲ 995

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

CHAOS

Apple Apps Store

https://apps.apple.com/us/app/hanafuda-koi-koi-collection/id1563705256

Website:

https://chaos.blue/

User Reviews

Overall, players praise the core koi-koi mechanics and accessibility, plus a fast pace. However, widespread concerns about the AI/RNG, a rigged scoring system, and heavy ads undermine the experience. Some appreciate offline ad-free play and the visual vibe, while others want more modes and customization to improve balance and longevity.

Pros

English localization makes the game accessible to English-speaking players.
Fun and engaging gameplay that can be won with attention to the cards, despite luck.
Fast loading times and quick rounds provide a smooth, snappy experience.
Offline play (ad-free) option is available if ads are removed.

Cons

Pervasive ads and irritations from advertising.
Unbalanced AI with frequent lucky draws/RNG making the CPU seem to cheat.
Rigged or restrictive scoring system that limits repeated plays.
Desire for more game modes and customization; lack of variety.

Recent reviews

The mechanics are solid, but the points system makes the entire thing feel like playing against an entitled brat who stacks the rules against you and insists that you have to keep playing until they win. As a result none of the achievements actually feel like achievements and the fun is sucked out of the whole experience. There's way better ways to feel frustrated if you really want to.

by Jj*****, 2025-08-02

コンピューター側は、直ぐにあがってしまい、コイコイにならない。　　くだらないゲームです。中盤戦からは、露骨なイカサマをします。

by TO*****, 2025-07-10

CPU player somehow almost always pulls off the combos back to back with ease For example: It plays to get the Sake card, then the next card is often either the Moon or Sakura Festival card(s); sometimes it often get both!