Bite the bar. Avoid the poison.
Board size 1×1 up to 12×12. Larger boards still use perfect play.
Poison is the bottom-left square. Click a square to chomp it and everything above and to the right.
Against the computer, the AI uses exhaustive game-theory search. When winning it picks randomly among shortest forced wins; when losing it varies among best (and sometimes near-best) delaying moves so you can’t just memorize one sequence.