Hold the Alien invaders and save the world !!
Protect the world from alien invaders by holding the world as long as you can. While you keep holding the world, the alien invaders will always come and try to attack the world. So, you need to hold aliens to destroy it, do not let the aliens escape while you hold it, keep hold the alien till it destroyed, and do not attack the astronauts.
The longer you can protect the world (by keep hold the world), the aliens invaders will come more and more.
* youll need more fingers while the alien comes more and more.
* hold for 2 sec to destroy the alien (not just tap), more challenging than the other app (which just tap to destroy).
* during the game, do not remove your finger from the world to protect it.
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