Steam Achievements
- 1989 - Kill 1989 enemies
- 60 To Car - Go to the car 60 times
- Aced It - Get an A+ on any chapter
- Achievement Whore - Unlock all achievements
- Always On Top - Perform every ground kill in the game
- Batman - Clear chapter ?? using only a bat and the bat mask
- Cat Fight - Kill the panthers using the panther mask
- Combo Beginner - Perform a 4x combo
- Combo Intermediate - Perform a 6x combo
- Combo King - Perform a 12x combo
- Combo Master - Perform a 10x combo
- Combo Pro - Perform a 8x combo
- Dog Lover - Kill 99 dogs
- Domino Effect - Throw a weapon at an enemy so that his weapon hits another
- Eye For Details - Collect all the puzzle pieces
- Get A Life - Get A+ on all the chapters
- Guns For Show - Kill at least one enemy with each gun
- I Got New Friends - Unlock all weapons
- Karma - Die 1000 times
- Knife For Pros - Kill at least one enemy with each melee weapon
- Let In Some Air - Destroy 500 glass panels
- Nigel Lowrie - Use a human shield
- Pitcher - Hit at least one enemy with each throwing weapon
- Plain Luck - Kill three or more enemies with the same brick in one throw
- Playing Pool - Kill an enemy with a brick bounced against a wall
- Sewer Alligator - Find the crocodile mask
- Smell Something Burning - Kill the crapping gangster with a fireaxe
- Sounds of Animals Fighting - Wear all masks at least once
- That's It? - Beat the epilogue
- The Boss - Solve the puzzle
- The End? - Beat the mainstory
- These Are My Guns - Complete chapter five barehanded
- This Is It - Beat the epilogue with secret ending
- Two Birds With One Stone - Kill two enemies with the same brick in one throw
- Zoo Keeper - Collect all the masks
