[1] The group debuted in 1963 in an eponymous comic book series.
Beginning in 1989, the characters appeared in video game adaptations for home consoles, handheld game consoles, arcades, and personal computers.
An earlier game was planned for home computers in 1985, but the developer went out of business before its launch.
The first games were released on 8-bit home platforms, and the series expanded onto handheld consoles and arcades in the early 1990s.
Each game features different groupings of X-Men heroes and villains, and typically allows players to control multiple characters.