Global Defence Force Tactics (THE???????????, Global Defence Force Tactics) is a PlayStation 2 Turn-based strategy game developed by thinkArts.
Known variously as: The Earth Defense Force Tactics (US), Simple 2000 Series Vol. 103: The Chikyuu Boueigun Tactics (JPN), and Global Defense Force Tactics (EU)
Players assume the role of GDF Commander and control a squad of GDF soldiers in turn-based missions against the giant bug menace. Missions take place on 2D hex-maps, with attacks depicted by brief animated cut-scenes.