Complete "Forest" on any difficulty.
Reach the maximum Rank.
Complete "City" on any difficulty.
Defeat the Monster House on "City" after destroying all four Meat Generators.
Complete "Skyscraper" on any difficulty.
Complete "Moon" on any difficulty.
Defeat the Iron Meat on "Moon Base" on any difficulty.
Complete "Forest" without destroying any Meat turrets.
Destroy all the doors on "Tower".
Destroy a full Meat Chain on "Tower".
Defeat the three Meat Bulbs on "Tower" without getting hit by a yellow light pillar.
Destroy every letter on the "LEVEL CLEAR" sign.
Defeat the Monster House on "City" without destroying more than one Meat Generator.
Defeat the Meat Prophet on "Moon" without destroying any of the eyeball turrets.
On "City", destroy the first Meat Car without letting a Sniper shoot.
Remain idle for 1 minute on "Moon" with Earth visible in the background.
Complete "Tower" on Normal or higher difficulty without losing a single life.
Finish "Forest" without letting any friendly items from allies touch the ground.
Complete "City" within 10 minutes on Hard difficulty.
Finish a level without remaining idle for a total of 1 minute.
Complete "Tower" on any difficulty.
Beat the game on any difficulty.
Earn every other Achievement in the game.
Take the first shot in the game.
Destroy all the engines on the airship. (Are you not afraid to fall?)
Get to the "Game Over" screen for the first time. Your sacrifice will not be in vain.
Complete "Train" without destroying any boxes.
Complete "Train" on any difficulty.
Complete "Base" on any difficulty.
Complete every level in the game with the "Sasha" Skin.
Complete "Sky" on any difficulty.
