Portal Test Chamber 13 - Least Steps (1)
By: nubSawace
Rating: 
(5 votes, average: 4.2 out of 5)
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Portal Walkthroughs For Level 11
Portal Test Chamber 13 - Advanced
By: Krapitino
Rating: 
(26 votes, average: 3.92 out of 5)
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Portal Test Chamber 13 - Least Time (0:07)
By: lam3z3
Time: 0:07 (Gold)
Rating: (40 votes, average: 4.6 out of 5)
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Portal Test Chamber 13 - Least Portals (2)
By: scorpionfa
Portals Used: 2 (Gold)
Rating: (48 votes, average: 4.58 out of 5)
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scorpionfa — December 02, 2007 — Portal Test Chamber 13 - Least Portals (0)
Noting cheats, noting fake! But very very difficult.I m working 12 hours for this vide
Portal Test Chamber 13 - Least Time (0:09)
By: One3yed
Time: 0:09 (Gold)
Rating: (7 votes, average: 3.43 out of 5)
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Portal Test Chamber 13 - Least Steps (4)
By: LLCoolDave
Steps: 4 (Gold)
Rating: (47 votes, average: 4.55 out of 5)
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Portal Test Chamber 13 - Least Steps (10)
By: BlankDiploma
Steps: 10
Rating: (12 votes, average: 4.83 out of 5)
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Portal Test Chamber 13 - Least Portals (4)
By: chadgoulden
Portals Used: 4 (Gold)
Rating: (28 votes, average: 2.32 out of 5)
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Portal Test Chamber 13 - Least Portals (4)
By: GLFZero91
Portals Used: 4 (Gold)
Rating: (16 votes, average: 4.56 out of 5)
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