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The FourCollection by: xX69_PussyXSlayer_69Xx
It is always revolved around four cubes
Think faster.Collection by: 14KarraT
MAP-MACHINE 2012Collection by: Soundstorm
Komplizierte und einfache Test Kammern, so das man sich ausgewogen beschäftigt fühlt
CO-OP Laser Round Complete CollectionCollection by: FritzC95
This is the complete collection of the CO-OP Laser Round maps for Portal 2. Each map consists of several tests that all involve lasers. The tests do not require you to be a very skilled player at the game but are to challenge the mind like any normal Po...
Donut World - COOPCollection by: Miphois
Test chambers made on Donut World - 19-part campaign. - Coop - Tricky maps and good ideas. - Absolutely not for beginners.
FootnotesCollection by: Solid Jim
Compact, brief and simple - but there may be more to these tests than meets the eye. Possibly.
AppendicesCollection by: Solid Jim
These maps aren't particularly lengthy when you know what you're doing, but you may find yourself needing to re-examine the way some testing elements interact. It is effectively a "best-of" selection of my test chambers (in my opinion; yours may of cou...
EntropyCollection by: Solid Jim
Congratulations, test subject! You have been selected to participate in mandatory non-automated scheduled maintenance of this test chamber. Human-assisted monitoring is an important facet of the scheduled maintenance program: although each chamber has bui...
Co-op Portal2 #1Collection by: Mr. Business
Some of my first Portal 2 Co-op maps made in Portal 2