EntityQ3023462· pop 7· linked from 66 articlesSynergistic SoftwareSign in to savevideo game developerConnectionsSeattleEntityBoeingEntityDungeons & DragonsEntityholding companyEntityRentonEntityRice UniversityEntityLyndon B. Johnson Space CenterEntityvideo game developerEntityApple II seriesEntityMobyGamesEntitySierra EntertainmentEntityvideo game industryEntityApple IIEntityTRS-80 Model IEntityDiablo: HellfireEntityByteEntityInteger BASICEntityThexderEntitySilpheedEntityWar in Middle EarthEntityCategories1978 establishments in Washington (state)1999 disestablishments in Washington (state)Companies based in Bellevue, WashingtonDefunct companies based in Washington (state)Defunct video game companies of the United StatesSierra EntertainmentVideo game companies disestablished in 1999Video game companies established in 1978Video game development companies