Mega Man X4, originally released for the Sega Saturn in 1997, is a classic action-platformer game developed by Capcom. It is the fourth game in the Mega Man X series, continuing the saga of Mega Man X as he battles against various Reploids and the formidable Sigma. Known for its detailed graphics, engaging gameplay, and challenging boss battles, Mega Man X4 introduced the ability for players to fully play as X's ally Zero, who has his own unique combat style and abilities, thus enhancing the replay value and diversity in gameplay. The game also featured anime-style cutscenes, which enriched storytelling.