Hanafuda Legends is a free, browser-based Koi-Koi (Hanafuda) game with ranked online play, private rooms, vs-computer, and a single-player Hana-Arashi survival mode. The UI is available in English and Japanese. It is developed by Bator24 and published in 2026.
Play in English at www.hanafudalegends.com and in Japanese at www.hanafudalegends.com/ja/
¶ Screenshots
Game table — hand, field, and deck.
Leaderboard and tiers.
Deck and table theme options.
¶ Features
- Ranked matchmaking — Queue for 6- or 12-round games; Elo-style YAKU (rating gains/losses scale with opponent strength); global leaderboard.
- Private room — Host sets match length (3, 6, 12, 18, or 24 rounds), share link or room code; guests can play without an account.
- Vs computer — Practice vs AI with selectable difficulty.
- Hana-Arashi — Survival-style vs computer mode (life-based); separate leaderboard ranked by best score (with longest-run stats shown). Account optional for submitting runs.
- Interactive tutorial — Onboarding for new players; finishing unlocks the Hana Cards cosmetic deck.
- Achievements — 130+ milestones across seven categories (see below).
- Collectible artwork — Large library of unlockable Japanese-scene pieces (rarities); profile library tab; online leaderboard lists each player’s unique artworks count. Drops include ranked wins (full match, fair finish rules), high-scoring Hana-Arashi runs when submitted, and winning a full standard vs-computer match while logged in.
- Deck gallery — Browse regional and alternate 48-card decks with notes and artwork.
- Cosmetic decks — Standard Kyoto pattern plus many alternates: ENERO: EL PINO, Hokkaido, Echigo, Hanamaki, Yamagata (incl. metallic variant), Awa, Korean Hwatu, Dalian, Osaka (Mushi), Collectible Hanafuda, Hana Cards, and more. Some decks unlock via tutorial, achievements, or ranked / expert milestones.
- Table themes — Default, Dragon, Katana, Temple, Wood, Cherry, Tatami, Solid (table backgrounds).
- Audio — Multiple background music tracks; optional sound settings.
- Account — Email or Google sign-in for ranked progress, achievements, library, and deck sync across devices.
- Free — No paywall; private play works without registration.
¶ Ranking system (Koi-Koi)
- YAKU — Competitive rating (not the same as “yaku” scoring in a round). New players start at 1,000. Points are won or lost in ranked matches using an Elo-style formula (beating a higher-rated opponent yields more YAKU; losing to one costs less).
- Tiers (by YAKU): Bronze (0–1,000), Silver (1,001–1,200), Gold (1,201–1,500), Platinum (1,501–2,000), Diamond (2,001+).
- Leaderboard — Sorted by YAKU; dedicated achievements for top 100, top 10, and #1.
¶ Hana-Arashi ranking
- Leaderboard is separate from Koi-Koi YAKU.
- Rank is primarily by highest total score in a single run when life reaches zero; the table also shows most rounds survived and related bests.
¶ Achievements
130+ achievements in seven categories, with rarities from Common to Mythic:
| Category | Examples |
|---|---|
| Yaku collection | Collect specific yaku N times (e.g. Five Brights, Moon Viewing, Poetry Ribbons, Rainy Four Brights). |
| Special combination | Viewing Master; Perfect Round (3 different yaku in one round); Yaku Quartet (4); Yaku Overload (5); Complete Collection (all 12 yaku types once). |
| Progressive | First Steps through high lifetime yaku counts (e.g. Yaku Collector, Yaku Immortal). |
| Gameplay | First Victory, win streaks, game volume milestones, Koi-Koi Master / Legend, High Roller (20+ points in one round), Perfect Score (30+ in one round), comeback and sweep achievements (all rounds won in 6- or 12-round games), miracle comebacks. |
| Tier | Bronze Warrior → Diamond Legend; Top 100, Top 10, Number One. |
| Special event | Lucky Draw (exactly 7 points in a round), Rainy Day Special, Moonlight Victory, Sakura Finale, Perfect Timing (7 points after Koi-Koi), Quad Capture Master / Legend (lifetime quad captures of a full month). |
| Collection variety | Diverse Collector, Complete Variety, Balanced Master. |
¶ Deck and table showcase
Card decks (selection)
- Standard Kyoto pattern — Default traditional Hanafuda (48 cards, 12 months).
- ENERO: EL PINO — Alternate “blue” art set.
- Regional / style decks — Including Hokkaido, Echigo, Hanamaki, Yamagata, Awa, Osaka (Mushi), Dalian, and variants with or without metallic overprints where applicable.
- Korean Hwatu — Hwatu-style alternate set using the same Koi-Koi ruleset.
- Other unlockables — e.g. Hana Cards (after tutorial), Collectible Hanafuda and Echigo Pattern (gold) tied to achievement progress, plus patron-style unlocks for metallic decks.
Table themes (backgrounds)
- Default (gradient), Dragon, Katana, Temple, Wood, Cherry, Tatami, Solid.
¶ See also
- In-game How to Play and Hanafuda glossary (terminology and yaku reference).
- Deck showcase routes on the site for individual deck pages and SEO-friendly gallery content.