21 achievements for 1000 Gamerscore
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BUG SQUASHER
Complete 5 rounds without dying
25 Gamerscore
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FLOOR 02 COMBO
Beat the target Combo for all levels on floor 02!
50 Gamerscore
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FLOOR 04 COMBO
Beat the target Combo for all levels on floor 04!
50 Gamerscore
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FLOOR 05 COMBO
Beat the target Combo for all levels on floor 05!
50 Gamerscore
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FLOOR 02 ALL STARS
Collect 3 stars on every level of floor 2!
25 Gamerscore
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FLOOR 04 ALL STARS
Collect 3 stars on every level of floor 4!
50 Gamerscore
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FLOOR 05 ALL STARS
Collect 3 stars on every level of floor 5!
50 Gamerscore
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KILLA DASH
Dash into a frozen face hugger enemy on the ground
25 Gamerscore
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WEAPON COLLECTOR
Upgrade all weapons in arcade mode
25 Gamerscore
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POWERUP MANIAC
Upgrade all powerups in arcade mode
50 Gamerscore
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PERK FANATIC
Purchase all perks in arcade mode
50 Gamerscore
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MACHINE GUN LOVER
Kill 1000 enemies with machine gun in any single game mode
25 Gamerscore
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BULLET HELL
Kill 1000 enemies with the gatling gun in any single game mode
50 Gamerscore
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BEAM MASTER
Kill 1000 enemies with the laser beam in any single game mode
50 Gamerscore
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EXPLOSION EXPERT
Kill 1000 enemies with the rocket launcher in any single game mode
50 Gamerscore
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ELECTRIC WONDER
Kill 1000 enemies with the chain lightning gun in any single game mode
50 Gamerscore
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SURVIVOR LEVEL 9
Survive 30 seconds without shooting on level 9 in HARD
75 Gamerscore
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GUARD LEVEL 10
Don't let the spider touch a scientist on level 10
100 Gamerscore
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POWERUP KEEPER LEVEL 6
Don't use any powerup in level 6
25 Gamerscore
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POWERUP KEEPER LEVEL 12
Don't use any powerup in level 12
50 Gamerscore
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POWERUP KEEPER LEVEL 18
Don't use any powerup in level 18
75 Gamerscore