This page contains Metal Slug 3D Unlockables for Playstation 2 called "Completion bonuses" and has been posted or updated on Sep 4, 2007 by Caggigedy. Let us know what you think of this Unlockable by thumbs voting.
You have to finish Story mode as Marco to unlock the Monolith with unlimited ammunition and the Extras menu (with "Mini Game", "Color Edit", "BGM Test", and "Movies" options).
Back to all Cheats
Stuck on this game? Set a specific, clearly defined question and let others answer your question or view answers to previously asked questions. If you think you are an Metal Slug 3D expert then please try to help others with their questions.