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!
Browsing: Collections
Containing item: "Chain Reaction"
Sort by:  Top Rated All Time
Showing 1-3 of 3 entries
Fun maps
Collection by: cyron43
Maps for fun. That means they provide either no puzzles or just very easy ones.
Rube Goldberg machines
Collection by: cyron43
Totally useless machines but they are most entertaining. :-D
Mechanisms
Collection by: Timoteeei
This levels contain an open mechanisms that can help you to build your own logic in a puzzles
Per page: 9 18 30