Defeat the Boss Enemy while the player is Zombie.
Complete any mission, without getting power-up items.
Complete Mission 1 without any miss.
Save President in the mission.
Complete all the missions.
Save Hyakutaro Ichimonji.
Complete all the missions without continue.
Achieve over 3,000,000 points.
Complete Mission 2 without any miss.
Complete Mission 3 without any miss.
Complete Mission 4 without any miss.
Complete Final Mission without any miss.