Successfully complete the 1853 Wild West level in story mode on the medium difficulty setting to unlock The Colonel as a playable character in arcade mode.
1895 Notre Dame Level Rewards
Successfully complete the 1895 Notre Dame level in story mode on the medium difficulty setting to unlock Jacque de la Mourte as a playable character in arcade mode.
1920 Aztec Ruins Level Rewards
Successfully complete the 1920 Aztec Ruins level in story mode on the medium difficulty setting to unlock Stone Golem as a playable character in arcade mode.
1932 Chicago Level Rewards
Successfully complete the 1932 Chicago level in story mode on the medium difficulty setting to unlock Big Tony as a playable character in arcade mode.
1972 Atom Smasher Level Rewards
Successfully complete the 1972 Atom Smasher level in story mode on the medium difficulty setting to unlock Khallos as a playable character in arcade mode.
1990 Siberia Level Rewards
Successfully complete the 1990 Siberia level in story mode on the medium difficulty setting to unlock Hybrid Mutant as a playable character in arcade mode.
2019 NeoTokyo Level Rewards
Successfully complete the 2019 NeoTokyo level in story mode on the medium difficulty setting to unlock Sadako as a playable character in arcade mode.
2280 Return To Planet X Level Rewards
Successfully complete the 2280 Return to Planet X level in story mode on the medium difficulty setting to unlock Ozor Mox as a playable character in arcade mode.
2315 Robot Factory Level Rewards
Successfully complete the 2315 Robot Factory level in story mode on the medium difficulty setting to unlock The Machinist as a playable character in arcade mode.
2401 SpaceStation Level Rewards
Successfully complete the 2401 SpaceStation level in story mode on the medium difficulty setting to unlock Reaper Splitter as a playable character in arcade mode.
Arcade Adios Amigos Level Rewards
Successfully complete the Arcade Adios Amigos level with a "Gold" rank to unlock Hector Babasco and Lean Molly as playable characters in arcade mode.
Challenge Pane In The Neck Level Rewards
Successfully complete the Challenge Pane In The Neck level with a "Silver" rank to unlock the Rotating Heads cheat.
Ending Bonuses
Successfully complete the game on the easy difficulty setting to unlock the Cardboard Characters cheat and Streets level in arcade mode.
Get All Characters Cloaked Cheat
Successfully complete story mode on the medium difficulty setting.
Get Big Hands Cheat
Get a gold or better in the 'Bags of Fun' challenge in the Elite Arcade League.
Get Big Heads Cheat
Successfully complete the game on the medium difficulty setting.
Get Chef Hat
Get a gold or better in the 'Baking for the Taking' challenge in the Honorary Arcade League.
Get Fat Characters Cheat
Get a gold or better in the 'Duel Meaning' challenge in the Elite Arcade League.
Get Lean Molly & Hector Babasco
Use arcade mode and get a gold medal in Adios Amigos.
Get Roman Hat
Get a gold or better in the 'R109 Beta' challenge in the Honorary Arcade League.
Get Rotating Heads Cheat
Beat the pane in the Neck in Silver (Challenge Mode).
Get Rotating Heads Cheat
Successfully complete the game on the medium difficulty setting.
Get Slow Motion Deaths Cheat
Get a gold or better in the 'Bags of Fun' challenge in the Elite Arcade League.
Get Unlimited Ammo Cheat
Successfully complete story mode on the hard difficulty setting.
Quick Reloading/Cooling
Sometimes when a weapon needs reloading or cooling down, simply change weapons and change back (from the Pause menu) and you will reload/cool the weapon automatically.
Unlock Ample Sally Character
Get a silver or better in the 'Take 'Em Down' challenge in Challenge Mode.
Unlock Badass Cyborg Character
Get a silver or better in the 'Badass Buspass Impasse' challenge in Challenge Mode.
Unlock Big Ears Character
Get a silver or better in the 'Escape From NeoTokyo' challenge in Challenge Mode.
Unlock Brick Weapon
Get a silver or better in the 'Bricking It' challenge in Challenge Mode.
Unlock Chinese Arcade Level
Get a bronze or better in the 'Starship Whoopers' challenge in the Honorary Arcade League.
Unlock Circus Arcade Level
Get a bronze or better in the 'Dam Bursters' challenge in Challenge Mode.
Unlock Compound Multiplayer Map
Successfully complete story mode on the medium difficulty setting.
Unlock Cropolite Character
Get a silver or better in the 'Hit Me Baby One Morgue Time' challenge in Challenge Mode.
Unlock Crypt Zombie Character
Get a gold or better in the 'Casualty' challenge in the Amateur Arcade League.
Unlock Dr. Peabody Character
Get a silver or better in the 'Casualty' challenge in the Amateur Arcade League.
Unlock Feeder Zombie Character
Get a silver or better in the 'Day Of The Damned' challenge in Challenge Mode.
Unlock Hangar Arcade Level
Get a bronze or better in the 'Top Shot' challenge in Amateur Arcade League.
Unlock Honorary and Elite League
Get a bronze or better on all Amateur League minigames to get the Honorary League games, Get a bronze or better on all Honorary League minigames to get the Elite League.
Unlock Insect Mutant Character
Get a silver or better in the 'Simian Shooter' challenge in Challenge Mode.
Unlock Lola Varuska Character
Get a gold or better in the 'Monkey Mayhem' challenge in Challenge Mode.
Unlock Mischief Character
Get a silver or better in the 'Monkey Mayhem' challenge in Challenge Mode.
Unlock Nightclub Arcade Level
Get a bronze or better in the 'Disco Inferno' challenge in Amateur Arcade League.
Unlock Paintball Cheat
Get a bronze or better on all the challenges in the Challenge Mode.
Unlock Pirate Character
Get a silver or better in the 'Trouble At The Docks' challenge in Challenge Mode.
Unlock Private Coal Character
Get a silver or better in the 'Gone Bananas' challenge in Challenge Mode.
Unlock Private Coal Character
Get a silver or better in the 'Banana Chomp' challenge in Challenge Mode.
Unlock Robofish Character
Get a silver or better in the 'Dam Bursters' challenge in Challenge Mode.
Unlock Robot Factory Arcade Level
Get a bronze or better in the 'Demolition Derby' challenge in the Amateur Arcade League.
Unlock R-One-Oh-Seven Charcter
Get a silver or better in the 'Where Do The Batteries Go?' challenge in Challenge Mode.
Unlock Scrapyard Arcade Level
Get a bronze or better in the 'Scrap Metal' challenge in Amateur Arcade League.
Unlock Sergio Character
Get a silver or better in the 'Sergio's Last Stand' challenge in Challenge Mode.
Unlock Sewer Zombie Character
Get a silver or better in the 'Fight Off The Living Dead' challenge in Challenge Mode.
Unlock Sgt Rock Character
Get a bronze or better in the 'Pick Yer Piece' challenge in Challenge Mode.
Unlock Sgt. Shock Character
Get a bronze or better in the 'Top Shot' challenge in the Amateur Arcade League.
Unlock Site Arcade Level
Get a bronze or better in the 'Can't Handle This' challenge in the Honorary Arcade League.
Unlock Site Multiplayer Map
Successfully complete story mode on the hard difficulty setting.
Unlock The Hunchback Character
Get a silver or better in the 'Stain Removal' challenge in Challenge Mode.
Unlock Ufopia Arcade Level
Get a bronze or better in the 'Cold Corpse Caper' challenge in the Honorary Arcade League.
Unlock Viking Character
Get a silver or better in the 'Silent But Deadly' challenge in Challenge Mode.
Unlock Wood Golem Character
Get a silver or better in the 'Playing With Fire' challenge in Challenge Mode.
