EntityQ1395742· pop 7· linked from 53 articlesSirius SoftwareSign in to savevideo game publisherConnectionsUnited States dollarEntityvideo gameEntity20th Century StudiosEntitySmithsonian InstitutionEntityCommodore 64EntityAtari 2600EntityApple II seriesEntitySierra EntertainmentEntityCommodore VIC-20EntityAtari 8-bit familyEntitySiriusEntityComputer Gaming WorldEntityDefenderEntitySteven LevyEntityNasir GebelliEntitylist of best-selling PC video gamesEntityHackers: Heroes of the Computer RevolutionEntityWest Coast Computer FaireEntityCategories1980 establishments in California1984 disestablishments in CaliforniaCompanies based in Sacramento, CaliforniaDefunct computer companies based in CaliforniaDefunct video game companies of the United StatesVideo game companies based in CaliforniaVideo game companies disestablished in 1984Video game companies established in 1980