One day, the Earth is invaded by aliens, help the heroes destroy all aliens. Collect coins to upgrade weapons and heroic combat abilities.

You can unlock to fight with the assistant and upgrade him more strong. Alien Defense have 20 levels, you can easily add more level and custom the parameters of game, make this game more attractive.

With 2D graphic and sprite, you can easily to reskin and make own game without coding and programming skills.

Alien Defense Complete Project using Unity 2019.