Crystal Defence app for iPhone and iPad

4.9 ( 1599 ratings )

Games Action Strategy
Developer: Appie s.r.o

0.99 USD

Current version: 1.0, last update: 8 years ago
First release : 28 Mar 2011
App size: 13.6 Mb

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