Roboforge is an opensource game mix of simulation game/strategy game/educational game. You have to create 3D virtual robot, give them AI and then make them fights vs other robots.

The design and construction of a robot is completely up to you. Roboforge is not just a case of simplistic limb options. It is a full 3D robotic construction environment. You can construct virtually any kind of creation by simply clicking components together. You are limited only by your imagination and ingenuity. You can use components from several different manufacturers to construct robots that may look like a creature or vehicle, or ones that look like something never before seen. You can texturize and color your creation component-by-component. You can even create your own textures to further personalize your robot. To get you started, we have a flexible construction wizard that builds a fully functional robot for you in minutes.

Components can be basic structures, or one of several special types:

The license of this software is Freeware, you can free download and free use this strategy game software.