Ghost_castle_gunsweeper.7z

Look for Ghost_Castle_Gunsweeper.exe or a file named Setup.exe .

Use 7-Zip or WinRAR to extract the folder to your desktop. Ghost_Castle_Gunsweeper.7z

Usually an .exe (Windows) or script to launch the application. Look for Ghost_Castle_Gunsweeper

Most independent releases include a README.txt with controls, credits, and system requirements. and system requirements.