Engine for iD software's Quake
To manually install QuakeSpasm with Homebrew, use the following command:
Current version of #: 0.96.3
ARM: https://downloads.sourceforge.net/quakespasm/Mac/QuakeSpasm-0.96.3-osx-SDL2.zip
Intel: https://downloads.sourceforge.net/quakespasm/Mac/QuakeSpasm-0.96.3-osx-SDL2.zip
Website: https://quakespasm.sourceforge.net/