Low sea have been adjusted. Ship optimization bug fixed. When the tower is built, the logbook shows which player built it. Chat has been improved. Added notification when an item is purchased. Health bar color changed. Added 5 new cannons slot improvements. Added feature to increase critical damage. Special ship limit increased from 10 to 15. 10 Naval Coins added to the auction. Added item to increase critical rate in the auction (2 days). Added new data to the profile. Some bugs have been fixed.