Portal 2

Portal 2

658 ratings
COSMOGONY - The Complete Collection
 
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Description
Cosmogony is a 6 part map pack taking place during GLaDOS activation in the Enrichment Center. You are some of the few survivors of the neurotoxin disaster and with some help, you try to find a way out of Aperture. The map pack features custom content, a story deeply immersed in the Portal and Half-Life universe and more.
Click "Subscribe to all" to download all maps.
Items (6)
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150 Comments
Bunchie State America Aug 11 @ 1:34pm 
Tags: Portal Prelude, Wheatley, Awesome ending music.
The_Cipher_Boy Aug 11 @ 11:05am 
these are amazing maps! you could make a great mod out of this
dr.Dreey  [author] Aug 2 @ 3:48pm 
this is not related in any way to Portal: Prelude
ZeggiK Aug 2 @ 9:38am 
Is this a sequel of Portal : Prelude ?
Yuri Dong Jun 11 @ 7:00am 
nice
all you rnto install mods you need to click the plus to "subscribe" and you can use em its the same for any mods in the steam workshop
infinitygamer Jan 30 @ 1:43pm 
how do we install these mods?
fgeers Jan 16 @ 8:42am 
this was a lot of fun
well done!
thank you for sharing!
Raggedy Toby Dec 30, 2015 @ 10:28am 
I can't figure out how to instal these mods.
Captain Peroxide Dec 25, 2015 @ 3:45pm 
This is a fantastic collection, very clever and creative. Polished tests, dialogue, and atmosphere. I'm really impressed by how well the story and conversations played out without seeming stilted as can often happen with the limited lines available.
Poor Wheatley!