Game Cheat Code, Tips and Hints for: Metal Slug – Playstation 1 – PS1
Bonus Games
After beating the game a new option will appear called ANOTHER STORY. Click on it to play three bonus games.
Cheat Menu
At the Options screen press X, Circle, Square, Triangle, Triangle, X, Circle, Square.
Secret Prisoner
In the final mission, after you land on the ground, don’t move. At the exact spot, there will be a tree. Shoot up (Up + square) at the tree’s leaves several times until a prisoner fall from the tree. But, be careful as there is a rebel soldier throwing grenades at you.