December 1st update

-New rating system;
-An opportunity to sell the last shipyard;
-Second type of cannonballs with high damage;
-Fixed a bug with rarely lost level rewards received when the player was offline;
-Fixed freezing of the game for some players when opening any city;
-Other bug fixes and game optimization;

More details here:
https://board.moonmana.com/viewtopic.php?f=86&t=30664