Every Second Counts by TV Games for Commodore 64 on cassette tape. Untested.

Rare WICKED ELECTRIC DREAMS - Commodore 64 / 128 Cassette - Rare Retro Gaming

COMMODORE 64/128. 10 COMPUTER HITS 4 CASSETTE GAMES compilation

Commodore / CBM 64 16x Vintage Cassette Games Job Lot

PCW Games Collection for the Commodore 64 / Very Rare C64 Compilation and Book

x8 Commodore 64 C64 Cassette Tapes/Floppy Disk Games Bundle 1980s Retro

Commodore 64 C64 Game: Fistful of Fun 5-Game Compilation Alligata Software Retro

Commodore Disc User for Commodore C64 on disc - Retro - Untested