"This project (using temp name Marathon: Eternity) is an attempt to bring the classic Bungie franchise Marathon into a modern 3D FPS experience. "
They have some more posters (one of which was posted on FBO, I believe) here:
https://sites.google.com/site/marathone ... le-cabinetI'm pretty sure it's some kind of fan-made remake or "sequel" using a different engine, but don't take my word for it.