tontonan
8:01
Portal 2's Ridiculously Awful Portal Surfaces
19:04
Portal 2 but the Walls are Magnetic
14:12
Portal 2 but Chell goes back to Sleep
43:08
Every Softlock in Portal
23:13
Portal 2's Biggest Skip Took 11 Years To Discover, And No One Uses It
37:26
Portal, but the portal surfaces are inverted
0:44
The Clever Developer Trick in Portal 2
1:00
How Far Do You Fall in Portal 2?
