Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Baby Steps (10 points)	Complete the first level.
Bottom Feeder (10 points)	Die 15 times on one level.
Gender Change (10 points)	Purchase a female character.
Identity Theft (10 points)	Purchase a new character.
Lad of War (50 points)	Own all of the weapons.
M.J Was Here (10 points)	Learn to back-strafe.
No Memory Card (100 points)	Beat the game without dying.
Out of Bubble Gum (10 points)	Fire more than 10,000 bullets.
Pacifist Activist (20 points)	Beat a level without killing an enemy.
Pay to Fun (25 points)	Purchase a coin-pack.
Population Intensity (50 points)	Own all of the characters.
Scrooge McLuck (25 points)	Pick up 10,000 Coins.
The Complenionist (100 points)	Collect all stars and skulls in the game.
The One Percent (100 points)	Own every item and upgrade them to max.
White Magic (10 points)	Heal back to full from 1 HP.
You'll Shoot Your Eye Out (10 points)	Purchase a new weapon.