Computer Play
At any point during gameplay, pause the game. Press and hold L1+R1, then press CIRCLE, TRIANGLE, SQUARE. The computer will take over playing when you unpause the game. Repeat to turn CPU play off.
CPU Takes Over
To make the CPU take over the game, pause the game. Press and hold L1+R1, then press CIRCLE, TRIANGLE, SQUARE. Repeat the code to turn it off.
