| Achievement | How to unlock
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| - Shut down the power stations in the Power Dome to gain access to the Archives.
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| - Used Auto Sentries to take out 10 enemies.
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| - Execute all possible dance subroutines.
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- Close Encounters of the Turd Kind
| - Found a power gem charging Shepherd and returned it to Rhea-6.
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- Colossus: The Methuselah Project
| - Defeated the Methuselah titan.
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| - Eradicated the Spectrum Shepherds.
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- Dynamite with a Laser Beam
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| - Popped your head into every room to have a look-see.
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| - Uploaded the Archive Data to Earl.
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| - Drained all of the Energy S.A.C.s.
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| - Destroyed 25 enemies using melee attacks.
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| - Found all alpha, beta and gamma terminals.
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| - Played a game of H.O.R.S.E.
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- Invasion of the Bodies Snatcher
| - Found all the bodies for Athena-7.
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- Le Voyage dans la Lune Citadel
| - Used the long range zap to Luna Citadel.
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| - Kill Mappy without taking his Data.
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| - Aligned the Satellite Chalet dishes to gain access to the Archives.
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| - Thrusted through the Pleasure Port to find the Satellite Chalet.
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| - Used Overcharge Boost to take out 25 enemies.
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| - Found your body and witnessed ERL's sacrifice.
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| - Found all mid-range zap locations.
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| - Escaped the Starcophagus to crash land on the Pleasure Port.
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| - Boosted for 5.2155e-13 parsecs (10 miles)
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| - Found Frank the Dog and return him to Eudora-5.
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| - Used explosions to kill 5 enemies.
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| - Found the entrance to Methuselah's Core.
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| - Docked with every body type.
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