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.
Fun With Bonus is the home of the semi-coherent, misguided ramblings of professional and amateur pinball players.