Billy the Kid

Amiga release

UK magazine Amiga Power (October 1992 issue) featured Billy the Kid in a special about unreleased games. It contained a quote by Ocean's Software director, Gary Bracey, regarding the game's status: "It was not completed to our satisfaction and it wasn't fully debugged. It reached a point where we decided it wouldn't be released". However, retail box releases are known to exist, and at least one German magazine reviewed the Amiga version in 1991.

Cancelled Atari ST version

According to the internet database Atari Mania, an Atari ST version was advertised but never released.