Watch Highlight: Doom Mod Research Night from TekAdvisor on www.twitch.tv
If the original Doom is too Oldschool for you; Zion brings several of Doom 2016's visual, musical and gameplay elements to the GZDoom engine. It's still in development, but it's already quite promising.
Watch Mechdoomer from TekAdvisor on www.twitch.tv
Were you a fan of Mechwarrior 2 back in the days? Maybe you still are? Mechdoomer might be in early development and not quite running at the same scale as a standard Doom Level, but it brings several sights, sounds and game mechanics to the GZD...