The finished product has been marketed in Europe and Australia as '' UFO : Enemy Unknown `` and in North America as '' X-COM : UFO Defense '' . The finished product was marketed as `` UFO : Enemy Unknown '' in Europe and Australia and as `` X-COM : UFO Defense '' in North America .
Produk siap telah dipasarkan di Eropah dan Australia sebagai ''UFO: Enemy Unknown 'dan di Amerika Utara sebagai ''X-COM: UFO Defense''. Produk siap dipasarkan sebagai "UFO: Enemy Unknown" di Eropah dan Australia dan sebagai "X-COM: UFO Defense" di Amerika Utara.