Unlockables
Unlock Alternate Ending Sequence in Metal Slug 4:
When you have defeated the final Boss you will be taken to another room where you have to avoid explosions. If you don't escape and get blown up the ending sequence will be different.
Unlock Art Gallery in Metal Slug 4:
When you have successfully completed the game the art for the character you used will be unlocked in the Art Gallery.
More cheats, codes, tips and tricks for Metal Slug 4 / 5 are on this page of our website.
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