Protect skyscraper tower with 20 weapons slot from hundreds of enemy waves! There are four game modes in this game: campaign, survival, time trial and killing mode.
Aliens have infiltrated the naval command ship. You are the captain and you'll go down with your ship. The question is how many aliens will you take down with you?
As a united military forces of the whole planet, hold the line at all the directions from the green meadows of Europe and snowy Siberia to the burned cities. Use all the resources to protect your world from aliens.
