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The tech website Ars Technica recently posted an article called "Unemulated: Eleven classic arcade games you can’t play at home" which, for obvious reasons, includes Computer Space.

The reason this is obvious is that due to Computer Space using strictly discreet gate logic and no ROMs at all, there is nothing for an emulator to run.

However, it is with modesty and pleasure that I quote their section regarding the antique and draw attention to where the simulation link takes the reader: If you want to experience Computer Space without tracking down one of its distinctive glittery cabinets, your best bet is to try out one of a number of simulations, coded from scratch to be as close as possible to the arcade game (or to Spacewar, the original PDP-1 game that served as its inspiration).