Grasshoppers are amongst the most ancient living groups of chewing herbivorous insects dating back to the early Triassic period around 250 million years ago. When they are forced to crowd together due to environmental changes, they will transform into locusts which swarm in the millions and destroy crops over wide areas.
So tic-tac-toe ends only in stalemate now. Even checkers and the box game have run their course. What's next? Othello! Capture all the tokens and defend what you've won.