We have 1 cheats and tips on Xbox. If you have any cheats or tips for Metal Slug 4 please send them in here. We also have cheats for this game on : PlayStation 2
You can also ask your question on our Metal Slug 4 Questions & Answers page.
When you have defeated the last boss you have to run through a room where you have to avoid explosions. If you get killed by them you will get another ending.