The 2-player version is Gottlieb's 1977 'Super Spin'. Convertible to Add-A-Ball. We previously showed a date for this game of October 1977. The new date is per Gottlieb documentation. Gottlieb Domestic & Export Sales Sheets for Jet Spin: 4890 total Domestic Sales: 1497 Export Sales: 3393 The above total does not include 348 Sample games produced in 1977 per handwritten documentation identified by Wayne Neyens as coming from Bob Malvasio, a draftsman for Gottlieb whose initials RHM can be found on schematics. Price to operator: $1295 FOB Chicago, per newsletter from authorized distributor dated August 1977.