The Dark Crystal

The Dark Crystal was an adventure game by Roberta Williams based on Jim Henson's movie of the same name.  It was released in 1983 as Hi-Res Adventure #6, the last game in the Hi-Res adventure series.

It was remade with a simplified interface aimed at children by Al Lowe titled Gelfling Adventure in 1984.

The Dark Crystal was released for DOS and Windows in 1997 as part of the Roberta Williams Anthology.