32 achievements for 1000 Gamerscore
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PERIMETER CLEARED
COMPLETE THE PERIMETER AREA
15 Gamerscore
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FACILITY CLEARED
COMPLETE THE FACILITY AREA
15 Gamerscore
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DUNES CLEARED
COMPLETE THE DUNES AREA
15 Gamerscore
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NEST CLEARED
COMPLETE THE NEST AREA
30 Gamerscore
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FOREST CLEARED
COMPLETE THE FOREST AREA
30 Gamerscore
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LAB CLEARED
COMPLETE THE LAB AREA
30 Gamerscore
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100 KILLS
KILL 100 ENEMIES IN A SINGLE GAME
15 Gamerscore
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500 KILLS
KILL 500 ENEMIES IN A SINGLE GAME
30 Gamerscore
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1000 KILLS
KILL 1000 ENEMIES IN A SINGLE GAME
30 Gamerscore
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100 DOG TAGS
AMASS 100 DOG TAGS IN A SINGLE GAME
15 Gamerscore
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200 DOG TAGS
AMASS 200 DOG TAGS IN A SINGLE GAME
15 Gamerscore
-
NO-ONE LEFT BEHIND
RESCUE ALL HOSTAGES IN A SINGLE GAME
15 Gamerscore
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PERIMETER S RANK
ACHIEVE AN S RANK ON THE PERIMETER AREA
15 Gamerscore
-
FACILITY S RANK
ACHIEVE AN S RANK ON THE FACILITY AREA
15 Gamerscore
-
DUNES S RANK
ACHIEVE AN S RANK IN THE DUNES
15 Gamerscore
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NEST S RANK
ACHIEVE AN S RANK IN THE NEST
30 Gamerscore
-
FOREST S RANK
ACHIEVE AN S RANK IN THE FOREST
30 Gamerscore
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LAB S RANK
ACHIEVE AN S RANK IN THE LAB
30 Gamerscore
-
HQ S RANK
ACHIEVE AN S RANK IN THE HQ
90 Gamerscore
-
CAKEWALK
COMPLETE THE GAME ON 'EASY'
30 Gamerscore
-
HARD CORPS
COMPLETE THE GAME ON 'HARD'
90 Gamerscore
-
HAPPY ENDING
COMPLETE THE GAME AND RECEIVE THE GOOD ENDING
90 Gamerscore
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XENOCIDE
KILL 5 ENEMIES OR MORE WITH A SINGLE EXPLOSION
15 Gamerscore
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MAXED OUT
MAX OUT ALL OF YOUR STATS
30 Gamerscore
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TOO CLOSE FOR COMFORT
KILL 100 ENEMIES WITH YOUR MELEE ATTACK IN A SINGLE GAME
30 Gamerscore
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STAY ON YOUR FEET
COMPLETE AN AREA WITHOUT ROLLING
15 Gamerscore
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WANDERER
VISIT EVERY ROOM IN THE GAME
15 Gamerscore
-
HEAD RUSH
COMPLETE BOSS RUSH MODE
90 Gamerscore
-
TWO'S COMPANY
COMPLETE THE GAME WITH TWO PLAYERS
15 Gamerscore
-
AD INFINITUM
KILL 2500 ENEMIES WHEN PLAYING INFINITE MODE
55 Gamerscore
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BOSSING IT
DEFEAT ANY BOSS WITHOUT TAKING A HIT
15 Gamerscore
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MILLIONAIRE
SCORE A MILLION POINTS OR MORE
30 Gamerscore