Complete the following achievements to unlock Microsoft Gamerscore points.
| Achievement | How to unlock | Points
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| - Make your way out of the offices.
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| - Finish the game with an A rank or higher.
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| - Finish the game on Normal difficulty or harder.
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| - Gordon rejected Ricky's offer.
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| - Play with all cheats active.
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| - Finish the game on Unfriendly difficulty.
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| - Finish the game on Survival difficulty or harder.
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| - Finish the game with an S rank.
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| - Waste twenty rounds on Pearl.
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| - Escape the Unfriendly Neighborhood without defeating the boss.
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| - Unlocked all Neighborhorde characters.
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| - Unlocked all Neighborhorde stages.
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| - Gordon helped the show come back.
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| - Finish the game with a B rank or higher.
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| - Finish the game without saving.
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| - Defeat the boss and escape the Unfriendly Neighborhood.
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| - Finish the game with only the Stenographer.
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| - Finish the game on Unfriendly with an S rank.
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| - Finish the game on Survival or harder with an S rank.
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| - Finish the game on Normal or harder with an S rank.
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| - Finish the game on Veteran or harder with an S rank.
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| - Finish the game without opening the tool chest.
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| - Reach a max speed of 50MPH.
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| - Finish the game without healing.
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| - Finish the game without using any duct tape.
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| - Finish the game on Veteran difficulty or harder.
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