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Alternative Portal TestsCollection by Tjmcnee
A Portal 1 series, where you are in a different testing track.
Solo Test ChambersCollection by Qwijybo
These will (soon) have a lot of solo test chamber for you to figure out and complete. Each one gets harder and harder by the second - so don't get mad that it starts so easy (some people need that).
Defect AndroidCollection by Iluxa_ua
Welcome it is a collection of all parts and chapters Defect android.
ExecutionCollection by SPL00PYSCARYSKELET0NS
GLaDOS wants you dead real bad...
Noobo test co-opCollection by zheka_100500
test for noob co-op
Time Limited ChambersCollection by Enderlux
These are very small test chabers with easy puzzles to solve in a short amount of time (about 10 seconds!) except for the fourth one, there you'll have two minutes! Hope you enjoy! http://i.imgur.com/dEgdKvj.png Support me If you
Discouragement Beam!Collection by neeko
This is a series of maps that I'm doing to become more familiar with level creation. They involve lasers but actually focus on incorporating other mechanics alongside the lasers. For anyone wondering -I was originally going to do five in this little series
Confirmation: An Original MiniseriesCollection by Please Unplug Your Shadow
By popular demand, here is both parts of Confirmation assembled into one handy package. Like a double-LP, some things are better in twos. Confirmation is no exception. Play just one, and you're only getting half of the story. So why not click the little
Srs Bsnss' Hammer MapsCollection by srs bsnss
These are my maps that have been created in Hammer.