App Description
In crystal defense you are sent to planet Terra to protect the source of energy in crystals which are always attacked by robots, they are trying to steal it, planet Terra needs your help otherwise it will be destroyed.
Features:
- three different terrains
- four defense tower: cannon, laser, plasma and nuclear tower
- bonus level available
- three types of attacking robots
iPhone Screenshots
(click to enlarge)
App Changes
- June 14, 2014 Initial release
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