Intergalactic Trading Game, The (1983)(Micropower) ROM Download for Acorn Electron (). Intergalactic Trading Game, The (1983)(Micropower) game is available to play online and download only on Late Games. Intergalactic Trading Game, The (1983)(Micropower) ROM for Acorn Electron download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.