Press Ups...is a two-player game played on a board with pegs. One player has red pegs, the other blue. Yellow pegs are neutral and count for neither player.
The strategy of the game is to guide the direction of play towards pegs of your own color.
Press Ups was written by Ron Behrns and published as type-in source code in Creative Computing Vol. 5, No. 10, October 1979.