This fix does seem to work with other Unity games too which is neat.
 
 
Go to the game’s path via where your Steam folder is, then steamapps/common/townscaper and the game’s .exe, right click on the .exe, properties, compatibility, and select windows 7. You can reach this location alternatively by right clicking Townwscaper in your Steam library, properties, browse local files.
 
 

Right click .exe into properties into compatibility into windows 7 into finish

Surprisingly Unity wide fix
 
 

 
 
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