Backgammon 1983 Sinclair Research Chess 1983 Sinclair Research Cookie 1983 Ultimate Play the Game ~ Sinclair Research Horace & the Spiders 1983 Sinclair Research Hungry Horace 1982 Sinclair Research Jet Pac 1983 Ultimate Play the Game ~ Sinclair Research Planetoids 1983 Sinclair Research Pssst 1983 Ultimate Play the Game ~ Sinclair Research Space Raiders 1983 Sinclair Research Tranz Am 1983 Ultimate Play the Game ~ Sinclair Research Gyruss (prototype) 1984 Parker Software Loco Motion (prototype) 1984 Amazon Systems Montezuma's Revenge (prototype) 1984 Parker Software Montezuma's Revenge (prototype, alt) 1984 Parker Software Popeye (prototype) 1984 Parker Software Q*Bert (prototype) 1984 Parker Software Return Of The Jedi - Death Star Battle (prototype) 1984 Parker Software Star Wars (prototype) 1984 Parker Software Star Wars (prototype, alt) 1984 Parker Software ZX Spectrum Test Cartridge 1983 Sinclair Research