Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement | How to unlock
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- Alone in the Dark ( 10 points )
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- Altitude is attitude ( 5 points )
| - Exploration off the ground.
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- Backtracking ( 10 points )
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- Climbing the Cog ( 10 points )
| - Don't pull the lever just because you can.
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| - Don't let gravity keep you down.
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- Guided by Sparks ( 10 points )
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- No Point in Dying ( 10 points )
| - Complete the game in one sitting with five or less deaths.
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- Under Ground ( 10 points )
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- Urban Exploration ( 10 points )
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- Where Credit is due ( 100 points )
| - Persistence has its own reward.
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