Combo Beginner - Perform a 4x combo.
Combo Intermediate - Perform a 6x combo.
Combo Pro - Perform an 8x combo.
Playing Pool - Hit an enemy with a weapon bounced against a wall.
Nigel Lowrie - Use a human shield.
Domino Effect - Throw a weapon at an enemy so that his weapon hits another.
Karma - Die 1000 times.
Knife for Pros - Use all melee weapons at least once.
1989 - Kill 1989 enemies.
Let In Some Air - Destroy 200 glass panels.
Dog Lover - Kill 99 dogs.
60 To Car - Go to the car 60 times.
Two Birds With One Stone - Hit two enemies with the same weapon in one throw.
Sounds Of Animals Fighting - Wear all masks at least once.
Sewer Alligator - Find Jones the Crocodile.
The Boss - Solve the Puzzle.
Cat Fight - Kill the panthers using Brandon the Panther.
Smell Something Burning - Kill the crapping gangster with a fireaxe.
Combo Master - Perform a 10x combo.
Aced It - Get an A+ on any chapter.
I Got New Friends - Unlock all weapons.
These Are My Guns - Complete chapter five barehanded.
Pitcher - Use all throwing weapons at least once.
Guns For Show - Use all guns at least once.
Always On Top - Perform every ground kill in the game.
Bat-man - Clear Chapter 2 using Nigel the Bat.
Plain Luck - Hit three or more enemies with the same weapon in one throw.
The End? - Beat the main story.
Eye For Details - Collect all the puzzle pieces.
Combo King - Perform a 12x combo.
Zoo Keeper - Collect all the masks.
Get A Life - Get A+ on all the chapters.
That's It? - Beat the epilogue.
This Is It - Beat the epilogue with secret ending.
Trophy Addict - Earn all Bronze, Silver, and Gold trophies.