World boss raid

World boss raid new update.

You have to help the world against UFOs that are trying to spread a new zombie apocalypse around the world. Each country has an army, and you help your nation to win Medals. Each victory adds 1 point to your country's total score. The better the rank your country is, the more rewards you get at the end of the event.

The best country can have up to 5,000 medals. Medals can be used in the shop for upgrades on your crew. You can have up to 5 fleets. You have to use quantum cubes to upgrade their number. Each time you upgrade the number of battleship, you'll receive a new Battleship which still has to upgraded with money. The number of fighters can be upgraded to a maximum of five, each upgrades add 100% of your actual fighters damage.
 * Medals
 * Battleship
 * Fighter