Complete the following achievements to unlock Xbox Live Gamerscore points.
| Achievement | How to unlock
|
|---|
| Annihilator (30 points) | Vanquish 300 enemies.
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| Arsenal (20 points) | Obtain the first 3 Weapons and their Add-ons.
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| Beneath (10 points) | Beat the first stage of the game.
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| Completionist! (200 points) | Get all the other achievements.
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| Destroyer (20 points) | Vanquish 100 enemies.
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| Explorer (40 points) | Find ALL Secret Areas.
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| Exterminator (80 points) | Destroy 500 enemies in Heroic Mode.
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| Extra Ammo (20 points) | Pickup 3 Ammo Upgrades.
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| Extra Armor (20 points) | Pickup 3 Armor Upgrades.
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| Extra Health (20 points) | Pickup 3 Health Upgrades.
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| Full Ammo (40 points) | Pickup ALL Ammo Upgrades.
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| Full Armor (40 points) | Pickup ALL Armor Upgrades.
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| Full Health (40 points) | Pickup ALL Health Upgrades.
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| Full Story (40 points) | 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 Armor (20 points) | Pickup 100 Armor.
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| I Need Healing (20 points) | Pickup 100 Health.
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| I Need MORE Armor (30 points) | Pickup 300 Armor.
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| I Need MORE Healing (30 points) | Pickup 300 Health.
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| Pew Pew! (10 points) | Fire your first weapon 100 times.
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| Seeker (20 points) | Find 5 Secret Areas.
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| Slayer (10 points) | Vanquish 25 enemies.
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| The End! (60 points) | Beat the last stage.
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| Weapon Master (40 points) | Obtain ALL Weapons and their Add-ons.
|
