Eternal Champions for Genesis was released on August 14, 1993 in North America. It was then re-released in 1997 as a Mega-Hit Series edition.
In 1995, Puffin Books published two combat-based gamebook adaptations of this video game, The Cyber Warriors and Citadel of Chaos, both written by Jamie Thompson.
[JP] "Eternal Champions [Model G-4114]
[EU] "Eternal Champions [Model 1145-50]
[BR] "Eternal Champions [Model 047010]
[KO] "Eternal Champions [Model GM93041JG]
In 1993, Italian firm Panini (most famous for its football collectible stickers) published a SEGA official Eternal Champions sticker album.