In Planet Defences, your job is to protect your planet from meteors by building and improving strong towers. There are no levels. How long you live depends on how good you are and how well you plan your moves.
Build Towers
To use energy to build towers, click on empty spots.
Improve the towers
If you click on towers that are already there, you can improve their defenses.
Over Time, Get More Energy
Over time, energy levels rise on their own. Build or improve towers with it.
Hold off the meteors
Meteors will be shot off instantly by the towers. Stop them before they reach Earth!
Try to get the best score in Planet Defences!
