The Keep: freeware real-time strategy game. Build your own medieval castle and defend it against incoming hords. Similar to Stronghold and Settlers. Full 3D environment.
The Keep:免费即时战略游戏。建造你自己的中世纪的城堡并抵御入侵的敌人。类似Stronghold 和Settlers。全3D环境。
来源:http://sourceforge.net/projects/thekeep/