Bert Vierstra About Roles Name : Bert Vierstra Software Role Publisher Type Year Disassembler (Unknown) Spectrum Computing Programming: Assembler/Mcode 1984 Cowboy (Unknown) Spectrum Computing Arcade: Shoot-em-up 1984 Shoot! (Unknown) Spectrum Computing Arcade: Shoot-em-up 1984 Bitman (Unknown) Spectrum Computing Arcade: Maze 1984 64 Columns (Unknown) Spectrum Computing Utility: Fonts/UDGs 1984 Change Request You can request changes or additions here. You can upload files. All change requests are actioned as quickly as possible and you will be informed of the result. Details Files Your Name * Email * Details Your browser doesn't have Flash, Silverlight or HTML5 support. Submit Thank you for your change request. We will respond as soon as possible.