UIFO Defense has a special gameplay of tower defense. Utilize the terrain and different turrets to eliminate alien invaders and protect the crystal cores which are critical to science and technology of your civilization.

## About This Game
UIFO Defense has a special gameplay of tower defense. Your base is exposed to
dangerous alien destroyer, they send an army to grab your energy crystal cores
which are critical to science and technology of your civilization. Utilize the
terrain and different turrets to eliminate enemies and protect your base.

Key Features:
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Protect the energy cores: You have 15 energy cores in every base. It’s top
priority to defend the cores not to be grabbed by alien invaders.
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Eliminate alien invaders: Try best to build most proper defense turrets to
make maximum damage on different types of alien creatures and mechs.
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Energy resource: Consume energy resource to build your defense line, and
recover energy resource by gathering energy from dead alien invaders.
##
Flexible difficulty: Recommend you play in hard mode difficulty to enjoy the
fun of exciting strategical battle. However, you can easily switch to normal
mode difficulty in any level in case you have obstruction in hard mode.

UIFO DEFENSE HD