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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!
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TEST camber: EASY(for me)

Infinite Fun 3.0

by Jimmy Neutron Based Genius

by PR0T0C0L_XER0

by Droid commander

Luka Test 13/Laser Madness

by NR Luksupuksu

epic co op chamber 3

by Sammy the Fox

by TheDeafenGuy

by Littleozzz10

by Stuffed Caleb

WeiHaoYang TEST

Singleplayer Four Portals Concept Chambers

by TheGoldNinja101

ARTS: Chamber 3 Course 1 FINAL

Three Trials (Co-Op)

epic co-op chamber 2

by Коппер

Just a regular test

Camera 19 (Final)

by Thematveykaplay

by Chaosminecraft

Giant Test updated

by mrsquiggles143

Tvorenie LG (no coop)

by мтэматэк

kvadratnoe vesel

Kamera AndSkvora coop #11

by Mosc

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