Bert Vierstra
Person · Netherlands
Also worked as Simplesoft
Later became Simplesoft
Credits
Undated 5
- 64 Columns · ZX-Spectrum 16K
- Bitman · ZX-Spectrum 48K
- Cowboy · ZX-Spectrum 48K
- Disassembler · ZX-Spectrum 48K
- Shoot! · ZX-Spectrum 48K
Same person at Spectrum Computing