4:05

Passing A Portal Through Itself

5:15

Engine não euclidiana

7:28

Portal's Rarest Dialogue | Camera Shy

5:14

Falling Into Earth (Simulation)

4:57

Another Portal Paradox

19:16

Iron Lung is not as bleak of a setting as people think(sorry)

3:37

I rewrote Portal from scratch and solved the Portal Paradox

8:05

Every Paradox in 8 Minutes