03:13

Turrets can't shoot here. Why?

04:56

Convincing Friends I'm Playing with Normal Gravity

00:19

Portal Chamber 16 OoB - 18.990s

00:25

Portal | Chamber 16 - 6 Seconds (World Record)

48:03

BUSHMAN - Portal Challenge Highlights (W1)

04:03

Portal Challenge Return

56:23

2020 OoB Portal Races

01:40

Portal Chamber04-05 Camera Preserve (Jumpless Inbounds)

01:50

Portal Chamber16 - 17 Turret Preserve (Inbounds NoSLA)

02:26

Portal - Forgotten Chamber 10 OoB Route for ILs

00:09

Portal E02 Glitchless Comparison

00:22

Portal Chamber 13 - 21.720 (1448 Ticks)

08:26

Portal Vertical Wall Rentry Methods

00:48

Portal Advanced Chamber 13 - 0 Steps

00:27

Portal Advanced Chamber 16 -26.925s

00:22

Portal Advanced Chamber 14 - 22.080s

00:23

Portal Chamber 13 Glitchless - 22.485s

00:06

Portal Chamber 19 Oob - 5.115s

00:23

Portal Advanced Chamber 15 Oob - 22.470s

00:47

Portal Advanced Chamber 15 Glitchless - 47.385s

00:36

Portal Advanced Chamber 15 - 36.855s

00:23

Portal Chamber 13 Glitchless - 22.680s

00:23

Portal Chamber 08 Glitchless - 22.755

00:47

Portal Chamber 16 Glitchless - 46.980s

00:23

Portal Chamber 16 - 22.305s

00:23

Portal Chamber 16 - 22.365s

00:23

Portal Chamber 16 - 22.425s

00:20

Portal Chamber 16 Oob - 19.230s

00:23

Portal Chamber 16 - 22.485s

00:31

Prop Mechanic With Save Glitch

00:27

Gamma Energy - Segmented Speedrun Teaser

00:23

Portal - E00-E01 Transition

00:13

Portal - Reset OoB Movement with Items

04:12

Portal Chamber 2 Skip

03:09

Portal Challenge Segment Speedrun - 02:26.21

01:28:42

Portal Challenge Week 15: Custom Map

01:12:15

'Portal Challenge' Week 14: Coop

01:02:35

'Portal Challenge' Week 13: Short Maps

01:21:49

'Portal Challenge' Week 12: Polarity (Feat. Betsruner)

01:05:12

'Portal Challenge' Week 11: Bomb Flings

02:05

Jonathan Coulton - Still Alive (feat. Sigyn) (Portal Song)

02:03:26

Portal Challenge Week 10: Four Saves!

01:37:26

Portal Challenge Week 9: Cubes into the Blue

01:32:59

Portal Challenge Week 8: The Forgotten Chamber 12

01:33:21

Portal Challenge Week 7: The Floor is Lava

01:13:15

Portal Challenge Week 6: Going Backwards

01:19:53

Portal Challenge Week 5: Missing GLaDoS Cores

24:25

Portal Challenge Week 4 (Part 3): Orbs Mission

18:59

Portal Challenge Week 4 (Part 4): Orbs Mission

14:33

Portal Challenge Week 4 (Part 2): Orbs Mission

03:19

Portal Challenge Week 4 (Part 1.5): Bonus Segment

18:50

Portal Challenge Week 4 (Part 1): Orbs Mission

15:28

Portal Challenge Week 3 (Part 3): Chamber 16 Android Hell

18:59

Portal Challenge Week 3 (Part 2): Chamber 16 Android Hell

30:38

Portal Challenge Week 3 (Part 1): Chamber 16 Android Hell

45:06

Portal Challenge - Week 2 (Part 3): Chamber 15 One Portal

02:37

Portal Challenge - Week 2 (Part 2): Rip MattyC

26:10

Portal Challenge - Week 2 (Part 1): Chamber 15 One Portal

51:34

Portal Challenge - Week 1: Chamber 13 One Portal

05:30

Portal Challenge Debut