Complete the Area 1 Warehouse level
Obtain the wonderful map in the Area 1 Heliport and complete the level
Get through Area 1
Complete the Area 2 Heliport level
Rescue the prisoner in the Area 2 prison and complete the level
Get through Area 2
Complete the Area 3 Airbase level
Complete the Area 3 Base level
Get through Area 3
Complete the Area 4 Laboratory Level
Collect the materials disc in the Airfield and complete the level
Get through Area 4
Complete the Area 5 Camp level
Get through Area 5
Defeat all the enemies in the two areas to gain entry to the final area
Complete the game as S. Solid aka Solid P Snake
Complete the game as Flank Fox
Complete the game as Mylia
Complete the game as Black Valcano
Complete the game with at least 5 lives and no higher than level 10