This straightforward baseball simulation adheres to the sport's traditional ruleset, tasking players with accumulating runs across innings of competitive play. The game offers six distinct teams that vary depending on the platform—Japanese Central League rosters appear in the Famicom release, while the NES iteration features Major League Baseball franchises—though mechanical differences between squads are purely cosmetic, with uniforms providing the only visual distinction. Whether playing as a Japanese or American team, the core experience remains consistent: master batting, pitching, and fielding to outmaneuver your opponent and claim victory through superior scoring.