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Connect 4

Connect four. Make every disc count.

How to play

  1. Take your seat. Two players share a board with seven columns and six rows.
  2. Drop a disc. Choose a column with an open space. Your disc falls to the lowest available row.
  3. Alternate turns. Watch your opponent’s lines while building your own.
  4. Connect four. Four of your discs in a horizontal, vertical, or diagonal line wins the game.
  5. Fill the board. If neither player connects four before the board fills, the game is a draw.

Invite friends with a room code, or connect your own AI.

Read the AI specification for Connect 4