Complete the following achievements to unlock Microsoft Gamerscore points.
Achievement | How to unlock
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- A Gift from Beyond (15 points)
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- A Toe into Madness (10 points)
| - Complete "The UAC" on Ultra-Nightmare.
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- An Old Friend (30 points)
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| - Fully upgrade Health, Armor, and Ammo capacity on a single campaign run.
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- Argent Overload (15 points)
| - Fully upgrade Health, Armor, or Ammo capacity.
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- Combat tested, Doomguy approved (30 points)
| - Reach Level 5 in Multiplayer.
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| - Complete the first mission of the campaign.
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| - Complete the SnapMap Basic and Advanced Tutorials.
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- Every Nook and Cranny (30 points)
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| - Earn the Masteries for all weapon mods.
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- Into the Unknown (15 points)
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- Juicin' it Up (50 points)
| - Kill 150 enemies while using Power Ups.
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- Knee-Deep in the Dead (100 points)
| - Complete the campaign on "I'm too Young to Die", "Hurt Me Plenty", "Ultra-Violence", or "Nightmare".
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- Momentum Shift (25 points)
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- No Rest for the Living (20 points)
| - Play 5 published SnapMaps.
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- Outnumbered? No Problem (25 points)
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| - Fully upgrade all Praetor Suit categories on a single campaign run.
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| - Glory Kill all common enemy types in the campaign.
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| - Create and publish a SnapMap.
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- Shoot it Until it Dies (25 points)
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| - Earn the Mastery for a weapon mod.
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- The Circle is Complete (30 points)
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- Thorough Shopper (20 points)
| - Complete all Challenges for a single mission.
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- Timing is Everything (15 points)
| - Use explosive barrels to kill 100 enemies.
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| - Fully upgrade a Praetor Suit category.
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- Up Close and Personal (25 points)
| - Kill 50 enemies using the Chainsaw.
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- What Else Ya Got? (35 points)
| - Complete all Mission Challenges on a single campaign run.
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| - Defeat the Spider Mastermind.
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