Tony Hawk's Proving Ground - Platform: Nintendo DS Various Codes: -------------- Successfully complete Story mode by beating all the pro challenges and Tony Hawk's final challenge. You can now buy any of the following cheat options in the Skate Lounge for $1,000 each. First Person Cam: Skate in first person view. Giant Mode: Huge skaters. Ice Mode: Visual: Bluish levels. Light Inversion: Visual: Shadows turn to light. Matrix Mode: Slow down time during ollies/air. Mirror Mode: Mirrored levels. Night Mode: Visual: Skate at night. Old Timey Mode: Visual: Film overlay graphics. Perfect Balance: Perfect Rail/Manual/Lip balance. Replay Camera: Skate with replay camera. Steel World: Visual: Dark graphics. Super Jump: Ollie higher, except off halfpipes and quarterpipes. Tiny Mode: Tiny skaters. Unrestrained Aggro: Easier timing for Aggro Kicks. World Of Darkness: Visual: Darker than night. Bonus skaters: -------------- Enter the Skate Lounge and select "Change Gear". You can now access the following skaters after they are unlocked during game play for for $2,000. Hippie Santa Clause Easter Bunny Zombie Robot Ninja