Robo Defense is the ultimate experience of the games tower defense. With open maps, updates, achievements and good graphics.
The full version includes 5 maps with unlimited updates and difficulty levels.
Advances in the free version are automatically imported in the full version, if you choose to upgrade.
Performance tips: If the game is running slowly, try to play with “zoom”. Turn off “High Quality Graphics Mode” in the menu of options, also will help in some phone models.