Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Aliens?	Complete Alien Worlds Stage.
Art Connoisseur	Unlock your first game art.
Business Problems	Survive Space Market invasion.
Captain Big Mouth	Get Beaten by Manos.
Collector	Unlock all pieces of game art.
Creepy Castle	Complete Neo Valkyria Stage.
Deep Down	Complete Underworld Caves Stage.
Destiny	Teleport to another dimension arena at least once.
Drinks Connoisseur	Use each Madness Beverage at least once.
Exterminator	Kill thousand enemies.
First Blood	Kill 1st enemy.
Gladiator	Reach 100th wave in Colosseum.
Here We Go Again	Complete Neo Valkyria Revisited Stage.
Home Sweet Home	Complete Russia Snowlands Stage.
House of the Dragon	Complete Lava Caves Stage.
Killing Spree	Kill hundred enemies.
Lab Rats	Complete Laboratory Stage.
Madness	Get a kill with every weapon in game.
Open The Door	Complete the game on any difficulty.
Rematch Time	Beat Manos.
Serial Killer	Kill 500 enemies.
That Was Tough	Complete the game on Hard difficulty.
The Juice	Unlock your first Madness Beverage.
Too Delicious	Get Toxicity level to max.