Here are some updates on what various Wolfers are playing through on Youtube:
JohnLobo87 reuploaded some of his older videos, such as Return to Castle Wolfenstein and Super Wolfenstein HD. He has also started a playthrough of Blake Stone.
RussianStormxLobo88 is still finishing Atomprojekt. She is currently at Level 30. Next to that, she is playing through Novowolf by Thomas. She also does a livestream every saturday, playing various mods. Right now she plays The False Spear by WLHack. You can watch all her previous livestreams HERE.
TreeSapThief is still doing a playthrough of one of the best mods ever released: Orb of Dilaaria. He has made it pretty far into the game! Next to that, he's also continuing his playthrough of DOOM: Legions of Hell.
tankermottind shared an early alpha of Wolfenstein Missions Deluxe Edition.
Lingyan203 is doing a 100% playthrough of Atomprojekt by Barry Christian.
If I forgot to mention a channel currently doing a playthrough of any Wolf3D mod, please let me know in the comments.