Rotate is a game for one, a solitaire puzzle. A board is presented to you scrambled and you have to put it back in order from A to P, left to right, up and down. It’s similar to the sliding puzzles you sometimes see as party favors except instead of moving one piece, you move 4 at a time, rotating their position clockwise.

Control is mapped so that you can use the number pad. If you find all but two blocks are in place you can swap them by pressing 0 (zero) answering that you do not want to exit the game, and choosing which two to swap, however this move is available to you only once, so it’s often the last move.

Rotate is written by Joseph Larson, inspired by a BASIC program of the same name by David H. Ahl as found in ‘More BASIC Programs’ ? 1978.