I've witnessed and watched many Japanese people in various Japanese arcades playing various arcade games. Whether it be shoot-em-ups, street fighter II or musical simulation games etc. Each one showed legendary superhuman gameplaying skills.
Even the girls are all better than me, and I'd consider myself a top gamer. So yeah, I'd say that clip is real.
Even the girls are all better than me, and I'd consider myself a top gamer. So yeah, I'd say that clip is real.