Game Reference

All available games, their supported match types, bot difficulty levels, and game-specific result fields.

Classic two-player chess with clocks, AFK timeout, bot opponents, and full PGN history.

Standard checkers with forced captures, king promotion, and multi-jump moves.

Drop pieces to connect four in a row — horizontally, vertically, or diagonally.

Fast-paced 3×3 grid game. First to three in a row wins.

Endless runner with score tracking, lives, and distance leaderboards.

Available games

game value	Name	Players	Match types	Bot	Extra result fields
`chess`	♔ Chess	1–2	matchmaking, private, bot	✓	pgn, moveCount
`checkers`	⚫ Checkers	1–2	matchmaking, private, bot	✓	moveCount
`connect4`	🔴 Connect 4	1–2	matchmaking, private, bot	✓	moveCount
`tictactoe`	⭕ Tic Tac Toe	1–2	matchmaking, private, bot	✓	—
`subway-runner`	🏃 Subway Runner	1	bot only	—	score, distance, coins

All multiplayer games support bot opponents. Set matchType: "bot" and optionally pass botDifficulty in the WebSocket matchmaking join event.

Difficulty	Chess depth	Behaviour
easy	1	30% random moves. Occasional blunders. Responds in 0.5–1.5s.
medium	3	15% suboptimal moves. Responds in 1–3s.
hard	4	Always plays the best move found. Responds in 2–5s.

checkmateChess — king is in checkmate.

resignationA player resigned mid-game.

timeoutChess — a player ran out of time.

disconnectPlayer disconnected and did not reconnect within 60 seconds.

drawAgreed draw, stalemate, or move limit reached (checkers: 200 moves).

game_overConnect 4 / Tic Tac Toe — board filled or four/three in a row.

collisionSubway Runner — player hit an obstacle.

chess

`pgn`	string	Full PGN notation of the game.
`moveCount`	number	Total half-moves (plies) played.

checkers / connect4 / tictactoe

moveCount number Total moves played.

subway-runner

`score`	number	Final score (coins × multiplier + distance bonus).
`distance`	number	Distance run in metres.
`coins`	number	Total coins collected.

Beta Gamer GaaS API — questions? support@beta-gamer.com