There's Truthsorting, a logic puzzle where you have to order logical statements to make them true or false.

Pathword, a puzzle where you lay out letters along a path to spell out 4 words.

Morphology, a clued word ladder written by a different contribution daily.

And a few others!

I've been trying to promote it for a few months but I haven't had a ton of luck, to be honest. The audience hovers around 500 people and growing it beyond that has been pretty challenging.