M.D.K. Game System: Sony Playstation Cheat Category: Cheat Game Company: Shine Game Category: Action adventure Hint, Cheat, Walkthrough:   MDK === Pause the game and press L1, Up, Square. Now unpause the game and immediately pause the game again. Enter the following codes: HAND GRENADE Triangle, Circle, Square, Square, L1, and Right. MORTAR Right, L1, Triangle, Square, Right, Circle, Left, and Left. DUMMY DECOY X, L1, Right, Circle, X, Up, Square. SUPER CHAIN GUN Left, L1, Down, Square, Triangle, Up, and Down. HOMING GRENADE Right, Up, X, Square, L1, L1, and Right. BONES AIRSTRIKE Down, Up, Circle, Down, Up, Down, and L1. INVINCIBILITY Circle, Triangle, Triangle, Circle, Right, Up, Left, L1, Square. BONES SEAL Triangle, Right, Circle, Left, Left EARTHWORM JIM COW POWER-UP Up, Down, Down, L1, Right. SNIPER GRENADE: Up, Square, L1, Left, Circle, Triangle. HOMING SNIPER GRENADE: Left, Up, X, Square, L1, R1, Right. WORLD'S SMALLEST NUKE: Down, Up, Square, Triangle, Down, Circle, Circle, Right. WORLD'S MOST INTERESTING BOMB: Down, Right, Circle, Circle, Left, Left, Up, Square, Triangle. THUMPER WEAPON: Down, Up, Left, Left, Triangle, Up, Right, Down. TWISTER WEAPON: Down, L1, Square, Triangle, Right, Up, X. HOMING BULLETS: Square, L1, L1, Right. NODIE: Circle, Triangle, Triangle, Circle, Right, Up, Left, L1, Square. 150 HIT POINTS AND EXTRAS: Square, Triangle, L1, L1, Left, Square, Triangle, Circle, Right, L1. FULL HIT POINTS: Right, L1, Square, Triangle, L1, Down. FASTER SPEED: Right, Circle, Triangle, Circle, X. Press R2 during game play to activate faster speed. DISPLAY COORDINATES: Down, Down, Triangle, Triangle, L1, X, Triangle. NO OPPONENTS: Up, Square, L1, Left, L1, Square, Square STRANGE MODE: Left, Circle, X. LEVEL SELECT: Go to the Title Screen. Press Left, Circle, Triangle, Up, and Square. The Level Select option will appear on the screen.