Clear MISSION 2
Kill 200 enemy soldiers
Throw 50 grenades
Clear MISSION 1
Clear MISSION 3
Clear MISSION 4
Clear MISSION 5
Clear FINAL MISSION
Defeat a boss using the METAL SLUG ATTACK
Play in MULTIPLAYER
Kill 1,000 enemy soldiers
Throw 200 grenades
Free 50 POWs
Free 100 POWs
Clear the game using no continue
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