Portal 2
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Welcome to Aperture Laboratories, home of the Perpetual Testing Initiative. Easily create, share and play test chambers authored by and for the Portal 2 community. Do your part! Contribute to Science!
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Logical Thinking
Collection by AD_79
These chambers, all created by me, are ordered A-Z. Give some of them a try. DIFFICULTY RATING: (Out of 10). 1/10: VERY EASY 2/10: EASY 3/10: SOMEWHAT EASY 4/10: EASY-MEDIUM 5/10: MEDIUM 6/10: MEDIUM-HARD 7/10: HARD 8/10: VERY HARD 9/10: MIND-ME...
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