Portal 2
Community maps. For science.
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Containing item: "Pneumatic Diversity Vent Intro"
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Pneumatic Diversity vent testing initative
Collection by Flo2912
This is a collection of test, using the Pneumatic Diversity vent, a planed testing-element. Valve removed it in last minute, I dont know why :( Note: I haven't made this maps, I only searched for them.
Lucario's Top 5 - Week 3
Collection by [PC]-Lucario The Husky
Here are the maps that I covered in my Top 5 YouTube Video for Week 3.
The Kuhr Foundation
Collection by yondaf23
The greatest collection of science under the internet.
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