Portal Test Chamber 16 - Least Time (0:36)
By: lam3z3
Time: 0:36 (Gold)
Rating: 
(21 votes, average: 2.95 out of 5)
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Portal Walkthroughs For Level 4
Portal Test Chamber 17 - Least Steps (124)
By: protothps
Steps: 124 (Gold)
Rating: 
(21 votes, average: 3.29 out of 5)
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Portal Test Chamber 18 - Least Time (0:51)
By: ubertimewaster
Time: 0:51 (Gold)
Rating: (11 votes, average: 2.91 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: (49 votes, average: 4.59 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 17 - Least Portals (0)
By: scorpionfa
Portals Used: 0 (Gold)
Rating: (52 votes, average: 3.85 out of 5)
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Portal Test Chamber 15 - Least Steps (22)
By: scorpionfa
Steps: 22 (Gold)
Rating: (7 votes, average: 2.57 out of 5)
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Portal Test Chamber 15 - Least Time (0:29)
By: One3yed
Time: 0:29 (Gold)
Rating: (25 votes, average: 4.36 out of 5)
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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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