EntityQ263952· pop 16· linked from 383 articlesid Tech 3Sign in to savegame engine developed by id SoftwareConnectionsMedal of Honor: Allied AssaultEntityQ217423EntityInfinity WardEntityQuake III ArenaEntityid TechEntityMicrosoft WindowsEntityGNU General Public LicenseEntityQ364Entityfree and open-source softwareEntityproprietary softwareEntityQ211096EntityJohn CarmackEntityBethesda Game StudiosEntitymachinimaEntitylist of game enginesEntityLinuxEntityInternational Standard Book NumberEntityQ15777EntityAndroidEntityQ2407EntityCategories1999 softwareFormerly proprietary softwareFree game enginesGame engines for LinuxId TechQuake (series)Virtual reality