Fill the triangle with numbered tiles. The last empty hole collapses and swallows whatever is touching it — lowest score wins.
Drop discs down a 7 × 6 grid and line up four in a row. The computer searches ahead with alpha-beta pruning.
Three in a row on a 3 × 3 grid. The Hard computer solves the whole game tree, so a draw is the best you can get.
Guess the hidden word a letter at a time before the drawing is finished. Share a word from the list, or set one for each other.
Questions worth arguing about. Guess first, then find out why a 12-inch pizza is four times a 6-inch.