Ninja Baseball Bat Man, known in Japan as Yakyū Kakutō League Man is a beat 'em up One was Teenage Mutant Ninja Turtles; the other was one of the Batman films (possibly Batman Returns). After that, he started creating his own. Ninja Baseball Batman is a solid beat 'em up. You can choose from four playable characters that all have different stats. The game is bright and colorful and with. Play Ninja Baseball Batman (US) (Arcade) for free in your browser.