You may create a walker with either a machine gun or a grenade launcher, or both. There are factories that come with some pre-made designs already, such as constructors or harvesters. Eventually, there will be some form of integration between the tutorials and the proceeding events which in turn, reinforces the tutorial itself. Speaking of harvesters, resource management in this game is pretty standard although you have 3 different sorts of harvesters. This is where your money comes in.
Money also helps with research, which is also covered in the tutorial.
Through research, you may acquire new chassis, weapons, bullets, and special accessories. Once you're done researching and building stuff, only then will the technology apply. Included in the tutorial is the camera control methodology and holding the right mouse button down moving it with the wheel will pan the respective XYZ axis. Alternatively, the six keys above the cursors will also help to control your views. What's good here is that Earth 2150 allows for 3 different camera views that helps you watch over the action.