The developers are aware of these issues and problems in the game and are already fixing them! There is no need to contact technical support regarding these problems unless otherwise stated in the problem description. 

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ISSUE: City name only changes after refreshing the game
STATUS: Being fixed  

ISSUE: Duels Icon: "Next race starts in" appears on the icon for a few seconds when scrolling through other event icons, even when a duel is active or has not yet started 
STATUS: Being fixed   

ISSUE:  Some Island expansions cannot be purchased; they are available for purchase, but when clicked nothing happens 
STATUS: Being fixed   

ISSUE: Buildings' tooltips do not reflect profits increase due to decorations, although the actual profits are adjusted correctly
STATUS: Being investigated

ISSUE: Number of rewards for a full train in the train quest is 6 instead of 10 
STATUS: Being fixed 

ISSUE: The game loads up to 25% and stops on Firefox 
STATUS: Being fixed   

ISSUE: Seaplane near the lake and the Airship are invisible 
STATUS: Being fixed 

ISSUE: Window shows defeat instead of winning a duel in an expedition with the correct points 
STATUS: Being fixed 

ISSUE: Watery roads do not combine smoothly
STATUS: Being fixed 

ISSUE: Tasks in the helicopter change randomly 
STATUS: Being fixed 

ISSUE: Items for Collections remain in the game after the feature was disabled 
STATUS: Being fixed 

ISSUE: Moving to a new location in the Countryside causes a reboot 
STATUS: Being fixed 

ISSUE:  Building skins are applied only after the second attempt
STATUS: Being fixed