I am not a fan of software that taints the OS in this manor. While I do not play Doom on Linux, I suppose the way I would address this would be to PXE boot a D

I am not a fan of software that taints the OS in this manor. While I do not play Doom on Linux, I suppose the way I would address this would be to PXE boot a Doom specific image and persist writable directories into a Doom specific NFS or CIFS share. That might be too much effort for folks that just want to play a game however. It works great for lab setups that require bare metal.