Portal Theme Played by Fiber Laser

How Super Mario Should Have Ended

Super Mario Bros. with Portals

When GLaDOS Asks You To Marry Someone, You Say Yes

Gary Hudston commissioned three spectacular custom-built Portal 2 levels complete with fresh dialog from the voice of GLaDOS, Ellen Mclain, just to ask his girlfriend to marry him.

via Kotaku

Portal: No Escape, A Live-Action Short Film Based on the Portal Video Game

via Super Punch