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Time Travel Concept Puzzles

A brief example of puzzles involving time travel.

~Difficulty: Easy
~Estimated Time: 5-10 Minutes

FAQ
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Q: I can't solve the level!
A: A video walkthrough is available on this page.
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Q: How long did the map take to make?
A: Around 10-16 Days
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Q: How did you get the test chamber/map to look like this?
A: Hammer World Editor (also known as Portal 2 Authoring Tools Beta)