Initially the games were drawn from the founders' imaginations, with themes ranging from fantasy to horror and sometimes science fiction.

Developer Neil Harris recalled: "[O]ur sales guys could not figure out what they were gonna do with them.

At its peak in late 1983/early 1984, right at the cusp of the video game crash of 1983, Adventure International employed approximately 50 staff and published titles from over 300 independent programmer/authors.

The company also had a retail store located in Sweetwater Oaks at 966 Fox Valley Drive, Longwood.

The copyrights for its games reverted to the bank and eventually back to Scott Adams who released them as shareware.

[10] This enabled others to discover how the engine worked and the database format was subsequently used in other interpreters such as Brian Howarth's Mysterious Adventures series.