In a similar spirit to Freedoom, for Quake fans perhaps you'll want to take a look at LibreQuake, which aims to do a similar thing to allow you to play Quake content with completely open source software.
Wait, so there’s multiple engines?
Someone explain this to me—if I wanted to play free Quake in the simplest way, what exactly would I need to install?
This is not an engine, this is the freedoom equivalent for quake. You will need a quake engine like QuakeSpasmSpiked and then follow the how to play instructions.
Wait, so there’s multiple engines? Someone explain this to me—if I wanted to play free Quake in the simplest way, what exactly would I need to install?
This is not an engine, this is the freedoom equivalent for quake. You will need a quake engine like QuakeSpasmSpiked and then follow the how to play instructions.
The Flatpak version comes with Quakespasm engine, so you won’t need to worry about the source port.