Battle for Wesnoth. MegaGlest. 0 A.D. | A free, open-source game of ancient warfare. Spring. Spring RTS Engine. Warcraft-like : Glest. Strategie : Bos Wars. About - UFO:AI. General It is the year 2084. You control a secret organisation charged with defending Earth from a brutal alien enemy.
Build up your bases, prepare your team, and dive head-first into the fast and flowing turn-based combat. UFO: Alien Invasion is a squad-based tactical strategy game in the tradition of the old X-COM PC games, but with a twist. Over the long term you will need to conduct research into the alien threat to figure out their mysterious goals and use their powerful weapons for your own ends. UFO: Alien Invasion. The game takes a lot of inspiration from the X-COM series by Mythos and Microprose. We also believe that open-source projects don't need to be disorganised or badly-managed. Gameplay Like the original X-COM games, UFO:AI has two main modes of play: Geoscape mode and Tactical mode.
In Geoscape mode, the game is about base management and strategy. Tactical mode uses a turn-based system, where your team and the aliens take turns to make moves. Game engine Multiplayer. RTS / Puzzle multijoueurs : Bontago. Colone CivilisationII : Freeciv (Open source) RTS Warzone 2100 (GPL)