Alien Time

Buy new guns, place each of them correctly and upgrade them in a. Alien Time - Tower Defense game in which the player sets up defensive towers to repel waves of opponents that get stronger each time and force the player to use new options for defensive placement tactics. Some planets are so rich in resources that many alien robbers try to attack them and take resources, which is why they put protection on such planets that can repel attacks, but it all depends on who will place the protection.
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