When It Hits the Fan

Kill 10,000 enemies

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Kill 1,000 enemies

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Complete the City Zone without using a single continue on Normal mode or higher

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Complete the entire game without using a single continue on Normal mode or higher

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Complete the Hell Zone without using a single continue on Normal mode or higher

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Complete the Lab Zone without using a single continue on Normal mode or higher

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Complete the Mothership Zone without using a single continue on Normal mode or higher

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Finish a level with 100% accuracy

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Unlock the laser cannon in Mothership Stage 1

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Find all the secrets in Mothership Stage 3

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Defeat the city zone boss

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Defeat the lab zone boss

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Defeat the hell zone boss

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Defeat the alien zone boss

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Complete City - Stage 1

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Kill a devil with only the holy cross power-up

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Kill the first boss without killing either turret on the tank on Normal mode or higher

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Kill the second boss without dying on Normal mode or higher

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Kill the third boss without killing any lava spitters on Normal mode or higher

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Kill the fourth boss with at least 3 slimes still alive on Normal mode or higher

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Kill 2500 enemies with the chainsaw

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Complete the game from start to finish with Chainsaw Only mode active from the Secret Options menu on Normal mode or higher

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Complete the entire City Zone on Hard mode

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Get a 300 combo

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Kill 2500 enemies with the dual-pistols

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Get a 100 combo with only the flamethrower

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Kill 2500 enemies with the flamethrower

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Kill 2500 enemies with the grenade launcher

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Kill 8 enemies with one grenade launcher round

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Destory all alien spaceships in Hell Stage 3

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Complete the entire Hell Zone on Hard mode

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Find the secret stash in the Lab Stage 1

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Unlock the laser cannon in Lab Stage 2

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Complete the entire Laboratory Zone on Hard mode

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Kill 20 enemies at once with the laser cannon

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Kill 2500 enemies with the laser cannon

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Kill 15 enemies with one blast of the laser pistol

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Kill 2500 enemies with the laser pistol

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Kill 2500 enemies with the machinegun

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Complete the entire Mothership Zone on Hard mode

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Kill 20 enemies by reflecting their own projectiles at them with the reflector shield

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Get a 200 combo with only the shotgun

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Kill 2500 enemies with the shotgun

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Kill 1000 enemies with the single pistol

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Survive the hard route in City Stage 2 without dying

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