Spyro The Dragon 1
Pause the game, go to the "Inventory" menu then press square, square, circle, square, left, right, left, right, circle, up, right, down. Then go to the ballonist and he'll let you select any level in the game!
Pause the game go to the Inventory menu and press square, square, square, square, square, square, circle, up, circle, left, circle, right, circle.
Spyro the Dragon 2;Ripto's Rage
Learn how to swim, climb, and headbash for free
Pause the game and press Circle, Circle, Circle, Circle, square
Big head mode
Pause the game then press Up, Up, Up, Up, R1, R1, R1, R1, circle and Spyro will get a really big head!
Pause the game and press Left, Right, Left, Right, L2, R2, L2, R2, square.
Twisted Metal 4
Use the following cheats by typing them as a password
Down, Left, L1, left, right
triangle, L1, L1, left, up