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Portal 2 Single Player / Coop

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Need a Portal 2 Co-op partner? Join this Steam group!By Arnar105 · 106 Answers · 69,106 ViewsLast post: 5 years ago · kyleprotecX
5 years ago
kyleprotecX
Aperture Quality Control-Episode 12: "Aperture Halloween"By wstrika · 35 Answers · 21,575 ViewsLast post: 7 years ago · TheTestmasterSphere
7 years ago
TheTestmasterSphere
Attn: YouTubers! Post videos, get added to our channelBy msleeper · 35 Answers · 22,185 ViewsLast post: 7 years ago · iWork925
7 years ago
iWork925
Dubbing project of Portal 2By elnurvl5 Answers · 1,871 ViewsLast post: 11 months ago · ChickenMobile
11 months ago
ChickenMobile
[SPOILER]Security Code: 5,33,41,18 - Does it have a meaning?By PortalCombat6 Answers · 17,113 ViewsLast post: 2 years ago · Its_convoluted
2 years ago
Its_convoluted
Nibiru : Age of Secrets demoBy jackanderson2310 Answers · 1,101 ViewsLast post: 2 years ago · jackanderson231
2 years ago
jackanderson231
Portal 2 and MythologyBy SecretComing1 Answer · 1,152 ViewsLast post: 3 years ago · EliseRi
A story to tellBy KyloX0 Answers · 832 ViewsLast post: 3 years ago · KyloX
What if GLaDOS had been smarter?By CamBen5 Answers · 1,908 ViewsLast post: 3 years ago · AdamPlays
3 years ago
AdamPlays
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Official PROOF that Cave is NOT Chell's fatherBy Mel · 75 Answers · 32,094 ViewsLast post: 3 years ago · GamerGeek
3 years ago
GamerGeek
Portal 2 crashes on startBy juniverse5 Answers · 1,582 ViewsLast post: 5 years ago · UsCobra11
5 years ago
UsCobra11
Promotion of Maps?By CrazyMahone1 Answer · 889 ViewsLast post: 5 years ago · josepezdj
5 years ago
josepezdj
Looking for someone to play "The Doors" coop mod withBy SecretComing0 Answers · 830 ViewsLast post: 5 years ago · SecretComing
5 years ago
SecretComing
Portal 2: RepercussionsBy Lamarr · 58 Answers · 18,743 ViewsLast post: 5 years ago · Lamarr
Screenshots of new mapBy Haggis2 Answers · 1,381 ViewsLast post: 5 years ago · Haggis
Chell should of starved in Portal (2)By opticalprocessor4 Answers · 2,043 ViewsLast post: 6 years ago · Joee
Original vocals from Want you GoneBy opticalprocessor2 Answers · 1,550 ViewsLast post: 6 years ago · quaternary
6 years ago
quaternary
Want you Gone + Still Alive - Flash AnimationBy opticalprocessor0 Answers · 1,232 ViewsLast post: 6 years ago · opticalprocessor
6 years ago
opticalprocessor
Thank you for visiting Thinking With Portals!
What's up with downloading maps now?By stides · 17 Answers · 5,313 ViewsLast post: 6 years ago · stides
The Lost Tests | Official TWP threadBy Arachnaphob · 10 Answers · 3,890 ViewsLast post: 6 years ago · opticalprocessor
6 years ago
opticalprocessor
Portal Screensavers!By wildgoosespeeder1 Answer · 1,430 ViewsLast post: 6 years ago · Ciirulean
6 years ago
Ciirulean
THIS POST HAS BEEN BLANKEDBy TheTestmasterSphere · 23 Answers · 6,948 ViewsLast post: 6 years ago · User
Portal 2 Beta; stuff you wanted to see in the gameBy opticalprocessor · 22 Answers · 7,151 ViewsLast post: 6 years ago · d3m0l1sh3r
6 years ago
d3m0l1sh3r