Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement | How to unlock
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| - Obtain the first 3 Weapons and their Add-ons.
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| - Beat the first stage of the game.
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- Completionist! (200 points)
| - Get all the other achievements.
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| - Destroy 500 enemies in Heroic Mode.
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| - Pickup 3 Health Upgrades.
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| - Pickup ALL Ammo Upgrades.
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| - Pickup ALL Armor Upgrades.
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| - Pickup ALL Health Upgrades.
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| - Find and read ALL the Log Files.
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- Heroic Beginning! (40 points)
| - Beat the third stage in Heroic Mode.
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- Heroic Ending! (100 points)
| - Beat the final stage in Heroic Mode.
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- I Need Healing (20 points)
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- I Need MORE Armor (30 points)
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- I Need MORE Healing (30 points)
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| - Fire your first weapon 100 times.
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- Weapon Master (40 points)
| - Obtain ALL Weapons and their Add-ons.
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