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Treadle

Play a game against the computer

Updated October 5, 2026

Treadle has a handful of games you can play against the computer — tic-tac-toe, Connect 4, checkers, dominoes, gin rummy and chess — for when a build is running or you are waiting on something. Open them from the game controller in the panel's rail, pick a difficulty, and play.

The Games list on iPhone — tic-tac-toe, Connect 4, checkers, dominoes, gin rummy and chess, each you versus the computer, with your record so far.

Where the games are

Open the game-controller icon in the panel's rail. It shows the Games list: tic-tac-toe, Connect 4, checkers, dominoes, gin rummy and chess. Tap one to start, or Resume one you left part-way.

Playing

Each game is you against the computer at Easy, Medium or Hard. Most offer a Hint and an Undo, and your record — won, lost, drawn — is kept for each game.

Connect 4 against the computer, with a difficulty picker, a hint and an undo.

Checkers against the computer — your red pieces against the computer's cream ones.

Gin rummy against the computer — the stock and discard piles and the running score.

Questions & answers

Where do I find the games?
In the rail on the panel — the game-controller icon. It opens the Games list, where you pick one or resume one you left.
Who do I play against?
The computer, at Easy, Medium or Hard. Your wins, losses and draws are kept for each game.
Do the games cost extra?
No. They are part of Treadle, on every plan.

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