Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Becky's Bonus	Earn Becky's Bonus gift.
Gallery fanatic	Unlocked every single picture.
Gazed into the Abyss	Defeat Abyss.
Martian Masher	Beat high score in Harpy vs Martians.
Mongo bashed	Defeated Mongo.
Mother Savior	Beat the game on hardcore.
Savior	Beat the game.