General, we are under attack!

Our satellites are picking up vast numbers of unidentified objects heading towards Earth. They seem to be targeting major cities all around the world. Your orders are to gather all available forces and be ready to defend against whatever is coming. The people of Earth are counting on you!

- Upgrade your weapons and defenses and use powerful abilities to destroy your enemies.

- Fight off the invaders all around the world in the challenging campaign.

- Compete with other players to get the highest score in the Endless Battle-mode.

- Unlock numerous achievements in your struggle to save the world.