First up, YouTuber JoshJepson plays Portal pinball for the Pinball FX 2 platform. Please try to avoid the butt-clenching frustration of seeing the lack of upper flipper use through the majority of the video.
WAIT! Someone put a pinball game inside Portal 2
And NOW! Some REAL pro play of Portal pinball by pinballwiz45b. MEGA Spoiler warning! This video includes two complete laps of the game.