Planet Defense is a tower defense type game that demands offensive techniques to win. You manage a small ship that can develop towers and seize bases. Defend your base from the onslaught of enemy robots to steer clear of losing, but to win you must seize the enemy's base! Use W,A,S,D or arrow keys to move your ship around the map. Click on on the wrench button in the blue menu bar to entry the tower develop menu. Select a tower, then choose a tile on the map to develop that tower. It must be near to your character.
Steer clear of getting strike by the enemies! If you character dies you will shed.
Click on on the base of a tower (the middle of the tile it was constructed on) to see a dialog with information about that tower. You can also sell or upgrade a tower from this dialog.
Develop reactor towers on crystals to generate energy. Power is required to develop towers. Destroyed enemies also drop small crystals, move your ship over them to gather additional energy.