FYI: There's a modern source port for the Marathon series called Aleph One[1]. 60+ FPS support was recently added, so it's running better than ever. [1] https:

FYI: There's a modern source port for the Marathon series called Aleph One[1]. 60+ FPS support was recently added, so it's running better than ever. [1] https://alephone.lhowon.org/ https://alephone.lhowon.org/