Control your mech and build towers to prevent enemy forces from attacking and taking the solar system and all the planets with them. Equip your mech with more powerful towers and upgrade your skills as you progress through 8 missions in 8 different planets.Be prepared for the incoming cars and make sure you take them all down with your powerful weapons, ready to be used. Place them strategically to have a better grip on all cars and decide also how powerful you need the guns to be.Use your mouse to select a gun and place it to the edge of the road to keep it handy, and make sure you earn enough to spend again on some cool upgraded guns.To start off a new wave of cars after you have upgraded and finished building the towers, just press the start button. You can take a sneak peak to see the next wave of incoming cars, or have a better detailed view of the cars you own. You can even sell your tower to cash in and reuse the profit for a better upgrade. So enjoy this complex fun game and decide for yourself who wins in the Solar System Defence competition!