I-OpenRA iphrojekthi edala kabusha futhi yenza imidlalo yamasu yesikhathi sangempela ye-Command & Conquer ibe yesimanje. Senze injini yegeyimu yomthombo ovulekile eguquguqukayo (injini ye-OpenRA) ehlinzeka ngenkundla efanayo yokwakha kabusha nokucabanga kabusha imidlalo yakudala ye-2D ne-2.5D RTS (ama-OpenRA mods). Lokhu kusho ukuthi i-OpenRA ayikhawulelwe imikhawulo yobuchwepheshe yemidlalo yoqobo evaliwe yomthombo: ihlanganisa ukwesekwa komdabu kwezinhlelo zokusebenza zesimanje nezinqumo zesikrini (okuhlanganisa i-Windows 10, i-macOS, nama-Linux distros amaningi) ngaphandle kokuthembela ekulingiseni noma ekugebheni okuhamba phambili kanambambili, futhi ihlanganisa abadlali abaningi abaku-inthanethi abahlanganisiwe.