Advanced Chamber 18 Speedrun - 54 Seconds

Advanced chamber 18 speedrun - 54 seconds

Portal - Advanced Chamber 18 - Speedrun Route

Portal: Chamber 18 Speedrun Routes

Portal Test Chamber 18 Speed Run - 54 Seconds

Portal - Chamber 18 Time Challenge: Speed run - 52 seconds

Portal - Chamber 18 Speedrun

Portal walkthrough - Test Chamber 18 (Advanced)

Portal Testchamber 18 Speedrun - 31 Seconds

Test Chamber 18 in only 4 portals (using glitches)

Portal OOB Speedrun - Testchamber 18 Advanced in 22.9s (Y046)

Ivan Molodetskikh

Portal - Chamber 18 - Speedrun

Portal Speedrun :: Chamber 18 (40sec)

the only good way to solve chamber 18 in Portal

Portal Chamber 18 - 29.940s

Portal Chamber 18 - Speedrun (oob)

Portal Chamber 18 Speedrun

Portal - Test Chamber 18: Advanced Speedrun - 1:34

GeorgeThePlushie

Portal - Advanced Chamber 17 - Speedrun Route

Portal - Testchamber 18 Advanced - Edge glitch 1 - Redone (Y018)

Ivan Molodetskikh

Portal Chamber 18 in 00:15