15 achievements for 1000 Gamerscore
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Waterfall
Completed floor 1 puzzles.
50 Gamerscore
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Relativity
Completed floor 2 puzzles.
50 Gamerscore
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Ascending and Descending
Completed floor 3 puzzles.
50 Gamerscore
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Gravitation
Completed floor 4 puzzles.
50 Gamerscore
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Belvedere
Completed floor 5 puzzles.
50 Gamerscore
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Devil's Tuning Fork
Found the phone.
50 Gamerscore
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Voices Down the Corridor
Entered the fifth 4-digit code.
50 Gamerscore
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Colitas
Entered the first 4-digit code.
50 Gamerscore
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Tiffany
Entered the second 4-digit code.
50 Gamerscore
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Mercedes
Entered the third 4-digit code.
50 Gamerscore
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Steely Knives
Entered the fourth 4-digit code.
50 Gamerscore
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Heaven or Hell
Read the manager's notebook in the observation room.
50 Gamerscore
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Prisoners of Our Own Device
Completed the game.
200 Gamerscore
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Check Out Any Time You Like
Completed both endings.
150 Gamerscore
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Castrovalva
Teleported for the first time.
50 Gamerscore