Space Ace is a sequel to Don Bluth's previous game Dragon's Lair, released in 1996. The story follows Dexter, who must rescue his girlfriend Kimberly from the clutches of evil madman Borf.
Borf has kidnapped Kimberly and is threatening the world with the "Infanto Ray", a deadly device that turns adults into small children. To stop him, Dexter must navigate through various scenes, using the keyboard to steer his character in the right direction.