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Rules
• Each side has 1 King and 4 Blockers.
• On your turn: move your King one square (incl. diagonals), move one of your Blockers one square, place one wall on an empty edge, relocate one of your walls to an empty edge, or smash an unprotected wall beside your King.
• A wall is protected if any Blocker (either side) touches any part of it, including a single shared corner.
• After every action, any Blocker with no free adjacent square is destroyed.
• A King is trapped only if it has no legal moves and no smashable walls.
• Replace wall: choose Replace wall, click one of your walls, then click an empty edge. This costs one turn and does not use a wall from your pool.
• Draw by repetition: same position (pieces, walls, side to move) three times = draw.
Wall placement: point at the board — the nearest edge lights up. Click to build there.