Portal 2
 
Community maps. For science.
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!
Containing item: "Countdown to Extinction, Part 1"
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Countdown to Extinction
Collection by: mucusSTfriend
This is a collection of maps with increasing difficulty. Compeling visuals, challenging puzzles.
Per page: 9 18 30