As the modder noted, Doom Reborn pre-beta version 1.61 features an unfinished version of Map10 of Doom 2 that players can try to finish off. Moreover, the mod includes Dafama2k7’s Pre-Beta Version 1.6 mod and gamehacker has done some tweaks and changes to improve lighting and colours in various areas. It’s also worth noting that Parallax Occlusion Mapping is enabled by default.There are some video clips, the one below shows an older version of the mod, the latest edition should look better.
This one is more recent but is narrated by a game streamer:
Via: DSO Gaming