OMG i love both of your ideas!
The dating survival show seems really interesting to me and very fun!
The folk horror is the one im voting for however since it is less taxing, and will finish quicker, also i love a good mystery the most where the plot is mostly focused in one thing which gives ample time to get to know the Lone love interest deeply and develop a severe attachment to them considering how trust will have to be scarce in their environment. Looking forward to the forced/accelerated trust due to proximity. I wanna explore the nuances of that and the rollercoaster of emotions that will bring out