This page only mentions control keys I know about. If you know more of them/developers changed/added more, please update it. You can do it without logging in.
- W,S,A,D - move
- Z,E - buy/move a building
- X,R - build rail (also build Rail-Droids when standing on the railway beginning in your base)
- Moving - aim with your gun, or to put building
- Mouse1 - shoot
- Mouse2 - same as Z, buy/pick up/put building in specified location