Thandor: The Invasion is a real-time strategy game where players aim to re-establish the destroyed Alliance of Avares by any means necessary. The game features a realistic line of sight in tactical battle situations and active terrain systems (lava, snow and ice, desert, and grass). There are more than 60 fully animated military units, and all are in 3-D. The computer opponent will challenge players by employing new tactics. There is multiplayer support for up to eight players.