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Portal Single Player

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Easter Egg - DEBUNKED (Spoilers!)By msleeper · 20 Answers · 7,595 ViewsLast post: 14 years ago · youme
Valve should Balkanize the challenge map AchievementsBy Crooked Paul · 16 Answers · 6,014 ViewsLast post: 14 years ago · Hyakkidouran
14 years ago
Hyakkidouran
NEW BUG Discovery or whatever you want to call it(Glitch)!!By sKoToSa9 Answers · 3,003 ViewsLast post: 14 years ago · sKoToSa
Bug discoveredBy VolumetricSteve5 Answers · 2,051 ViewsLast post: 14 years ago · DeviMon
Portal bug how to transport items from chamber 16 to 17By DeviMon0 Answers · 1,045 ViewsLast post: 14 years ago · DeviMon
screenshot from discord_23By iamafractal6 Answers · 2,486 ViewsLast post: 14 years ago · iamafractal
14 years ago
iamafractal
Unlimited cubes Test Chamber 13By krikkit5 Answers · 2,466 ViewsLast post: 14 years ago · krikkit
No Story by Theprogram00By msleeper4 Answers · 2,257 ViewsLast post: 14 years ago · msleeper
14 years ago
msleeper
Speed run 17:50 completionBy Kingpin0 Answers · 1,180 ViewsLast post: 14 years ago · Kingpin
Thank you for visiting Thinking With Portals!
VG Cats does it AGAIN!By espen1803 Answers · 1,866 ViewsLast post: 14 years ago · Hober
Challenge 17 with NO PortalsBy DiddyKong42 · 10 Answers · 4,187 ViewsLast post: 14 years ago · volt
Collectors EditionBy espen180 · 12 Answers · 4,502 ViewsLast post: 14 years ago · Wroth
Glados killed with turretBy Omgee7 Answers · 2,844 ViewsLast post: 14 years ago · Wroth
Timeline for Portal? [SPOILERS]By f0rkz · 59 Answers · 18,670 ViewsLast post: 14 years ago · MrTwoVideoCards
14 years ago
MrTwoVideoCards
Creative thinking... (Spoiler)By Robinson · 34 Answers · 9,723 ViewsLast post: 14 years ago · MrTwoVideoCards
14 years ago
MrTwoVideoCards
fastest timesBy mikebolt · 14 Answers · 5,033 ViewsLast post: 14 years ago · Player1
Aperture Discord/Test Chamber 23 by KorjagunBy MrTwoVideoCards0 Answers · 1,715 ViewsLast post: 14 years ago · MrTwoVideoCards
14 years ago
MrTwoVideoCards
Logic Portals -Chamber 00 to 03 by HurricaaaneBy MrTwoVideoCards · 11 Answers · 5,586 ViewsLast post: 14 years ago · MrTwoVideoCards
14 years ago
MrTwoVideoCards
Thank you for visiting Thinking With Portals!
Final Boss Speed RunBy Wroth · 11 Answers · 4,162 ViewsLast post: 14 years ago · Wroth
Portal - Only 20 minutes longBy espen1802 Answers · 1,598 ViewsLast post: 14 years ago · Yusayoh