39 achievements for 1000 Gamerscore
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Let's Get Punchy
Melee 5 soldiers
20 Gamerscore
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Bomba Punter
Punt 20 Bombas
30 Gamerscore
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My Head A-splode
Get 50 headshots
30 Gamerscore
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Make 'Em Scream
Get 100 soldiers to scream
30 Gamerscore
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To Kill a Blackbird
Destroy the helicopter attacking the vice president
20 Gamerscore
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Look Out!
Kill a soldier with a Bomba
10 Gamerscore
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Walkin' on Water
Make it from one end of the lake to the other in hyperspeed
10 Gamerscore
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Hero
Complete the game on any difficulty setting
100 Gamerscore
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Completionist
Complete the game with 100% of the items
50 Gamerscore
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Minimalist
Complete the game with less than 13% of items
30 Gamerscore
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Proven Grounds
Complete the three challenge packs in the Proving Grounds
20 Gamerscore
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Serious Complex
Level up to experience level 50
30 Gamerscore
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Let There Be Light
Turn on your flashlight
10 Gamerscore
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Hee-ya!
Knock back enemies 1000 meters total with melee attacks
20 Gamerscore
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The Whole 9 Yards
Kill 200 soldiers with a gun emplacement
20 Gamerscore
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Charted
Unlock the entire game map
20 Gamerscore
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Mutually Deterrent
Collect all the missile packs
20 Gamerscore
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Unrestricted Access
Collect all passkeys
20 Gamerscore
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This Side To Enemy
Collect all the grenade packs
20 Gamerscore
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Fort Knox
Collect all the gold bars
20 Gamerscore
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Surface Tension
Collect all the foam canisters
20 Gamerscore
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From Alpha to Omega
Complete the Omega Armor
10 Gamerscore
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Itsy Bitsy Spider
Defeat a Spidertank by drowning it
10 Gamerscore
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The Bigger They Are
Defeat a Devastator with a foam grenade
20 Gamerscore
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Spam in a Can
Defeat an XOS-1 Soldier with the Inertial Element
20 Gamerscore
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Run, Forest!
Run 10 kilometers total in hyperspeed
30 Gamerscore
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Roller Coaster
Take 20 rides on the mine cart
10 Gamerscore
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Reunited
Rescue Claire
10 Gamerscore
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10.0 From the Judges
Do a triple jump
20 Gamerscore
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Complexity Theory
Level up to experience level 10
10 Gamerscore
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5 Shots, 5 Kills
Do 5 consecutive headshots without reloading or taking damage
20 Gamerscore
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Old Dog, New Tricks
Perform each type of melee attack: Dropkick, Hanging Takedown, Drop-down Takedown, Double Takedown
10 Gamerscore
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Hook, Line and Sinker
Kill an enemy with the Hookshot.
20 Gamerscore
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Speedy Delivery
Complete the final fight in less than 1 minute 30 seconds.
30 Gamerscore
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Jason Bailey
Complete the game at 100% in under 2 hours on any difficulty
50 Gamerscore
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ChAIRness
Complete the game at 100% in under 3 hours on Insane
50 Gamerscore
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The Insurgent
Complete the game at 4% with only the Flashlight, Backpack, Grenade, Foam, and Missile
50 Gamerscore
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Status Update: Single
Complete the game by abandoning Claire to her fate
30 Gamerscore
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Gets Better With Age
Complete the game with 8 Health Packs, 19 Grenade Packs, 20 Foam Packs and 9 Missile Packs
50 Gamerscore