15 achievements for 1000 Gamerscore
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2 Star Par time
Got a two star time from all levels in Time Attack
50 Gamerscore
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Faster than a bullet
Got a three star time from all levels in Time Attack
100 Gamerscore
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Hardcore
Completed all levels on Hardcore difficulty
100 Gamerscore
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Murderous
Completed all levels on Murderous difficulty
200 Gamerscore
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Psychic
Used Psy-Blast
50 Gamerscore
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Mr. Freeze, Time
Activated Time Freeze
50 Gamerscore
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Dasher
Killed four enemies with a single Dash
50 Gamerscore
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Dasher-Blaster
Killed five enemies with a single Dash-Blast
50 Gamerscore
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Psyche
Killed six enemies with a single Psy-Blast
50 Gamerscore
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Whole Worm
Killed four enemies with a single Wormhole
50 Gamerscore
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Beat That
Killed everyone in a level with melee
50 Gamerscore
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Shotgunner
Killed three enemies with a single shotgun blast
50 Gamerscore
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Friendly Fire
50 enemies dead by friendly fire
50 Gamerscore
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Six-Pack
Chained six Dashes
50 Gamerscore
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Blast Blast Blast... Blast
Did four Dash-Blasts in a single level
50 Gamerscore