Adrenaline Vault, GameSpot, GameSpot, Gamespot's Game Guide, X-COM Apocalypse Source

Adrenaline Vault, Adrenaline Vault, Cheat Code Central, GameSpot, GameSpy.com, The Armchair Empire

GameSpot

Adrenaline Vault, GameSpot

Downloads, Combase: Nova, Game Revolution, GameSpot, GameSpot review, GameWinners.com, X-COM - Terror from the Deep

Apollo Guide's Review, GameSpot, UFO: Alien Invasion, X-Com Ufo Defense Info, X-COM: UFO Defense, Xcom Suppreme Command