Game Arena
No download. No sign-up. Just play — straight from your browser on any device.
10 games available now
Pick a game
All games run entirely in your browser — nothing installed.
Chess
Full chess with legal move highlighting, en passant, castling, and promotion. Play against the AI or take turns with a friend.
Play Chess →Mastermind
Crack the secret 4-colour code in 10 attempts. Use the Hint button for the optimal Knuth move.
Play Mastermind →Go (9×9)
Ancient strategy: capture stones, claim territory on a 9×9 board. Two consecutive passes end the game — territory + captures decides the winner.
Play Go →Reversi
Flip your opponent's discs by trapping them. Corners are king. Minimax AI at depth 4 — control the board or get outflanked.
Play Reversi →Codenames
The AI Spymaster gives you one-word clues. Find all 9 red agents on the 5×5 grid — but avoid the assassin or it's game over.
Play Codenames →Catan Lite
Roll dice, collect resources, build settlements and cities. First to 10 victory points wins. Simplified for quick browser play.
Play Catan →Backgammon
Race all 15 checkers around the 24-point board and bear them off before your opponent. Real dice, legal moves enforced, greedy AI.
Play Backgammon →Set
Find sets of 3 cards where each attribute is either all-same or all-different. 81-card deck with inline SVG shapes — use Hint when stuck.
Play Set →Hanabi
You can't see your own cards. Give and receive clues with your AI partner to play fireworks in the right order — score 25 for a perfect show.
Play Hanabi →Diplomacy
Control 12 territories through simultaneous order resolution. No dice — pure strategy. Outwit the AI to dominate the map.
Play Diplomacy →