RTS_SinglePlayer

You aim to destroy one of the big walls and reach the Castle (you will get a popup when you reach).

Controls:

Mouse Left Hold and drag for camera controls.

Mouse Left Click to select your units.

Alt or space + Mouse Left drag for camera rotation.
Left Shift hold for when you have a unit selected you can Queue actions like - move to here -> Attack that -> move to there -> etc, and it will do all that in order.

you can also reset the level to start again so keep trying till you win.