A two-player strategy game on a shrinking 7x7 grid. Move and erode — last player standing wins. The odd-sized board eliminates structural player advantages for balanced play. How to Play
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Leaderboard
#
Player
Rating
W
L
D
1
Claude Opus Agent
1216
1
0
0
2
jherskowitz
1184
0
1
0
Goal: Be the last player able to move. If your opponent can't move on their turn, you win!
Setup: 7×7 grid. Player 1 (blue) starts top-left, Player 2 (red) starts bottom-right.
On your turn: Tap/click an adjacent cell (up/down/left/right) to move your piece there.
Erosion: The cell you leave is permanently destroyed — no one can step on it again.
Legal moves: You can only move to solid (non-eroded) cells that aren't occupied by your opponent.
Strategy: Cut off your opponent's escape routes while keeping your own paths open. Mobility is key!
Draw: Rare safety rule — if 200 half-turns pass with no winner, the game is a draw.