Download TrenchBroom-[OS]-2025.4-Release.zip
Download the Hover Shooter mapping files for your version of the game
[Download link]
Extract TrenchBroom-[OS]-2025.4-Release.zip and the mapping_files_[VERSION NUMBER].zip,
then place them somewhere easy to find (like the Desktop).
Move the folder named hover_shooter that is in the folder named mapping_files_[VERSION NUMBER] to the folder named TrenchBroom-[OS]-2025.4-Release\games
Open TrenchBroom and select New Map
Click on Open Preferences...
Go to hover_shooter and click on the button next to Game Path ...
Select the mapping_files_[VERSION NUMBER] folder
Press Apply and then OK
Double-click hover_shooter