The Fortress of Dr. Radiaki originally released back in 1994 and it's getting a little revival thanks to ZOOM Platform Media / Lee Jacobson with a Steam release due out in May.
Read the full article here: https://www.gamingonlinux.com/2025/04/retro-fps-classic-the-fortress-of-dr-radiaki-is-coming-to-steam-with-an-enhanced-edition/