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Guandan

掼蛋搭子 · 好牌友 · 常相聚“Good partners, often together”

Guandan is a four-player partnership card game from Jiangsu. This version adds a quick mode that settles one deal in six to ten minutes, three AI partners trained by self-play, and Steam friend lobbies.

Status Early Access Steam Free to play ↗ Released October 1, 2026
Play free on Steam ↗ Steam Community ↗

Studio news: Guandan passes 10,000 players

A Guandan table in a painted teahouse, with the hint panel open showing a suggested play.
Captured in Godot 4.7 from a running build, 2026-09-10. Chinese interface shown.

Available on Steam

Guandan launched in Steam Early Access on . It is currently free to play on Windows and macOS. The store page has the current download, system requirements and updates.

Single-player plays end to end: menu, table, hints, pause, tribute, scoring, album, save and resume. Online lobbies exist and work between friends, but they have not been through much real-world network testing yet.

Early Access. The single-player game is playable, while online friend rooms are still being tested across real network conditions. Feedback on disconnects, rejoining and AI takeover is welcome through the Steam community. Check the store page for the latest release status.

The AI partners

Play offline with three AI seats and five difficulty settings: Novice, Skilled, Advanced, Expert and Master. Choose a level for a quick deal or a longer session, with hints available when you want help reading a hand.

The AI continues to receive updates during Early Access. The Steam community has the release notes, including changes to the strongest opponents and the AI rank leaderboard.

Difficulty labels describe the opponents in this game. They are not a rating of human skill or a promise of tournament-level play.

Modes

  • Quick deal. One deal, six to ten minutes, no tribute phase.
  • Agreed session. Two, three, five or eight deals, scored on total levels gained.
  • Full game. The long climb from 2 up to A, saveable and resumable.
  • Tutorial. One deal, about five minutes.
  • Replay. Read back a saved match report.

The album

Thirty-six things that genuinely happen at a Guandan table are collectible: the four-king bomb, the ten-card bomb, a straight flush, the tribute card you handed over coming back as part of the bomb that beats you. Rarity is measured by simulation rather than assigned by feel. A run of five cards in one suit turns up roughly once every four deals; seven of a kind lands about once in 10,929; the largest bomb the rules allow has not appeared once in four million sampled deals.

There is no gacha, no in-app purchase and no currency. Rarity changes the colour of a card's border and nothing else.

Learning it

Guandan's rule set is the usual reason people bounce off it. There is a 32-page illustrated handbook, one idea per page, and the combination pages can be tried out directly. During a hand, pressing H asks for a suggestion and an explanation of why that play.

Playing with people

Steam friend lobbies, with the number of deals agreed up front. If someone drops, an AI takes the seat and hands it back when they return.

Fact sheet

TitleGuandan
Chinese title掼蛋搭子
Developer237 Studio
GenreCard game, casual, multiplayer
EngineGodot 4.7.2
Rust core (GDExtension)
InferenceONNX, pure Rust, no external runtime
PlatformsWindows
macOS (Intel and Apple Silicon)
Languages8 Steam-listed languages, including 简体中文 and English
Players1 to 4
Store pageSteam ↗
ReleaseEarly Access · October 1, 2026
PriceFree to play on Steam
Team size1
Press contact[email protected]

Media

From the running build

Captured in Godot on 2026-09-10. The interface is shown in Chinese; an English interface is also in the build.

The Guandan table with a hand of cards along the bottom and three AI opponents seated around it.
The table, cards selected
The end-of-deal screen showing finishing order and levels gained.
End of a deal
The full match result screen listing finishing order, levels gained and the bombs played.
Match result
The main menu in English, with Quick Play, New Game, Continue, Multiplayer, How to Play, Album and Settings.
Main menu, English

Press are welcome to use these with a credit to 237 Studio.

Play & follow

Find your next table

Download Guandan on Steam, follow its updates, or join the community to report a bug and share feedback. For press and business enquiries, [email protected] reaches the person building it.

Play free on Steam ↗ Steam Community ↗ Back to games