Alien Must Die! 3D (TD Game) ANDROID Game

Alien Must Die is a 3D defense / TD game which is very similar to 'Defense Grid'
The fans of 'Defense Grid' must not miss this game.
In this game, you will act as the military officer of Human, who is appointed as the commander of the ninth legion to protect 'Planet 51' - a planet full of mines of pure energy crystals.
But Alien has been eyeing on this planet, too. They will spare no effort to take over its control.
Your mission is to protect the energy crystals in your base, which will provide energy to supply the wormhole and back up your fighting force continuously.
Now, prepare for the battle! All Alien must die!

Features:
1. A variety of future weapons, including SAM, plasma weapons, satellite laser balsam, electromagnetic weapons and so on so forth.
2. 12 amazing maps, from the mysterious alien planet, to the outer space.
3. The game mode is similar to ‘Defense Grid’; different from other tower defense games, you will enjoy more fun rather than just the defense mode here.
4. 6 specially designed towers, each with 7 levels.
5. 3 game modes give you the extreme challenge.
6. 32 medals are waiting for you to achieve.
7. Enhance your weapons in the weapons lab, which offers you more fun.