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A Black Yoshi's Science LabCollection by Yoshi Noir
Welcome to the Yoshis' Science Lab. Let's have fun by creating portals and not stomping on Goombas.
TestManiaCollection by Maugan™
Puzles creados maniaticamente con elementos varios. 1-CuboMania 2-PlataforMania 3-TractorMania 4-GelMania 5-LaserMania Poco a poco hasta que me canse o agote mis ideas.
Test Shaft #1Collection by TheMilkMan47
A group of tests. Most of them are REAlLY easy, but there are some decent puzzles.
Co-op AdventureCollection by VOX_43ab
This collection includes the three parts of >Co-op Adventure< maps. Awesome testchambers with secrets.
The Galactic Cactus Testing DiariesCollection by SmoketheWater
The Galactic Cactus of Earth CP documents his life as a test chamber creator for Aperture Science. A work in progress.
Alpha-BetaCollection by Orik [KI6]
Two similar test. One slightly harder than the other.
Coke's little workshopCollection by ホロ
걍 심심해서 해봄
Portal: Alive StillCollection by PokeJosh
What would it look like if the original Portal title was created entirely within the editor of Portal 2? I'm going to attempt to answer that question, with as much attention to detail as possible. There will be some very interesting substitutes and changes
Sewer Rat Mini MapsCollection by PaleBlueDot
Franken Cube rats infest these dank sewers. Try to escape, or become rat food! These are mini maps with one puzzle each.