Rack up a 20 score multiplier.
Defeat 50 enemies in a row without getting hit.
Complete the game in an Xbox LIVE multiplayer session.
Kill 1000 Manbirds.
Kill 300 Zombies.
Kill 5000 Demons.
Complete the game using any character.
Complete all levels without using special attacks
Locate and collect all of the Demon Babies.
Collect all the projectiles.
Use any special attack 100 times.
Resuscitate 50 allies.
