Watch as Polish dance troupe Fair Play Crew brings the twitchy movements from old school martial arts video games into the real world with a funny and perfectly choreographed routine (it starts at the 3:50 mark in the video above. It seems like they're riffing on a few different games here — Karate on the Atari 2600, Black Belt, Karate Champ, Karateka, International Karate, and even a little Mortal Kombat — instead of just a single game.