There are four variants of the game package:
1. Wimbledon sign on the box screenshot, and Dick Smith yellow/cyan/black sign on the ROM program (earlier, very rare)
2. Wimbledon sign on both the box screenshot and the ROM program (earlier, very rare)
3. Wimbledon sign on the box screenshot, and Dick Smith red/blue/white sign on the ROM program (scarce)
4. Dick Smith sign on both the box screenshot and the ROM program (common)
VTech
Dick Smith Electronics
VTech
Cheryco
Telefunken MicroTEK
Unimex
Zanussi Elettronica
Elof Hansson
Salora