Solve new test chambers with original mechanics in this community-made prequel of Portal 2.
Here's an excerpt from Portal: Revolution's Steam description:
Portal: Revolution is a fan-made mod for Portal 2 which plays before the events of Portal 2 in the dead and decaying Aperture facility.
The campaign contains 40 brand new puzzles making use of new test elements and presents existing mechanics in a new way not seen in Portal 2.
- Resurrected "Pneumatic Diversity Vent" element
- New laser cube variant
- Over 15 puzzles using only the blue Portal-Gun
- Gel Cleansing Field
Portal: Revolution's puzzle difficulty starts where Portal 2 stops, but fear not. All new mechanics and advanced portal tricks are taught to you. We have ensured through rigorous playtesting that every player can solve the puzzles. Although very few chambers require portals to be fired mid-air, no puzzles require advanced tricky movement.
Depending on your experience with Portal 2 mechanics, you can expect about 5 to 8 hours of playtime.
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