World War

Mar 10, 2019

# Update this version will delete the old game archive!
v2.2：

> Added classic Tank series in 6 countries
> New regions: 9, New cities: 52
> New historical Event System
> The old policy system was renamed the economy system
> Increased the price of weapons (closer to historical time)
> Increased initial warship level
> Fixed the rifle could not be upgraded and purchased
> Other optimization and adjustment

* Thank you for support and evaluation
* Will continue to make efforts doing better