Nintendo DS
Nintendo Wii
PC
Playstation 3
Sony PSP
Xbox 360
Older Systems
Dreamcast
Gamecube
Gameboy Adv
Gameboy Colour
Macintosh
Nintendo 64
Playstation
Playstation 2
Xbox
Other
DVD Eggs
Unlockables
Unlimited Ammo: Complete the game on the Green Difficulty.
Unlimited Grenades: Complete the game on the Veteran Diffculty.
Unlimited Health: Complete the game on the Hardened Difficulty.
Unlockable: Survival Mode
You must complete the game on Hard Mode.
Dreamcast - DVD Eggs - Gameboy Advance - Gameboy Colour - Gamecube - Macintosh - Nintendo 64 - Nintendo DS
Nintendo Wii - PC - Playstation - Playstation 2 - Playstation 3 - Sony PSP - Xbox - Xbox 360