Full list of all 12 Metal Slug 3 achievements worth 200 gamerscore. It takes around 2-3 hours to unlock all of the achievements on Xbox 360.
Save President in the mission.
Complete all the missions.
Complete all the missions without continue.
Achieve over 3,000,000 points.
Complete Mission 1 without any miss.
Complete Mission 2 without any miss.
Complete Mission 3 without any miss.
Complete Mission 4 without any miss.
Complete Final Mission without any miss.
Save Hyakutaro Ichimonji.
Complete any mission, without getting power-up items.
Defeat the Boss Enemy while the player is Zombie.