From the box cover:A new exciting space gameSimilar to Parcheesi/Aggravation/Trouble however players can take a short cut across the globe back to home if they are lucky with the roll of the die. A precursor to the 'Pop-O-Matic', the die is rolled via a knob on each side of the game that pulls and releases a small spring-loaded 'plunger' under the die. - BoardGameGeek