Metal Slug 3D Cheats, Codes, Cheat Codes, Walkthrough, Guide, FAQ, Unlockables for PlayStation 2 (PS2)

Metal Slug 3D

Completion bonuses

Successfully complete Story mode with Marco to unlock the Monolith with infinite ammunition and the Extras menu (with “Mini Game”, “Color Edit”, “BGM Test”, and “Movies” options).

Laboratory staff

Collect the CDs hidden in the various locations in all missions. Then, enter the “Garage” screen and select “Laboratory”. The staff will be found inside.

Slug Gunner

Add the Gunner Core, Gunner Arm, Gunner Cannon, and Gunner Leg to Metal Slug in the Slug Laboratory.