I knew he was a Mac guy, but I didn't know he had made Doomsday Engine 64-bit for Apple Silicon.
And I know it's not technically, but it's new to see, and I play Ultimate Doom using this engine.
Wonders and mysteries of the M1 – Doomsday Blog
blog.dengine.net
Doomsday Engine
dengine.net
And I know it's not technically, but it's new to see, and I play Ultimate Doom using this engine.