Squava is played on an initially empty 5×5 board.

Players take turn to drop a on any free square.

On her first turn Player 2 may instead invoke the pie rule and steal Player 1's unit.

After a drop, if...

• you made 3 in a row, you lose
• you made 4 in a row, you win
• the board is full, the game is a draw

Lines include diagonals.