Time for us to delve into the latest offerings from Portal 2's Perpetual Testing Initiative. This week, Guy and Cam face a giant Creeper, tackle vertigo and bounce around with some sweet pinball action.
Too Simple by LazerShot
Portal Creeper (Minecraft) by Skayride
Vertigo by Urser
Not Another Puzzle by Rand0mNumbers
Have you made your own test chambers? Seen any you think should be featured? Let us know in the comments below, or tweet us @gamespotuk!
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