Aspen was one of the machines produced during the late 1970s as part of Brunswick's attempt to enter the pinball market.
Aspen was part of a series comprising six machines; the others were 'Arrowhead', 'Black Gold', 'Texas Ranger', 'Aladdin's Castle', and 'Sherwood Forest'.
Aspen is known for its attractive artwork and straightforward ruleset, appealing to both novice and seasoned players.