TETSUYUKI
Not unlocked yetClear MISSION 1
HAIRBUSTER RIBERTS
Not unlocked yetClear MISSION 2
TANI OH
Not unlocked yetClear MISSION 3
SHOE & KARN
Not unlocked yetClear MISSION 4
IRON NOKANA
Not unlocked yetClear MISSION 5
HI-DO
Not unlocked yetClear FINAL MISSION
METAL SLUG ATTACK
Not unlocked yetDefeat a boss using the METAL SLUG ATTACK
TEAMWORK
Not unlocked yetPlay in MULTIPLAYER
200 TOMBS
Not unlocked yetKill 200 enemy soldiers
1,000 TOMBS
Not unlocked yetKill 1,000 enemy soldiers
BOMBER
Not unlocked yetThrow 50 grenades
KING OF BOMBERS
Not unlocked yetThrow 200 grenades
RESCUE
Not unlocked yetFree 50 POWs
KING OF RESCUE
Not unlocked yetFree 100 POWs
MISSION ALL COMPLETE
Not unlocked yetClear the game using no continue