If you’ve been through the gain jam submissions then you may have already seen these, but Don’t Fear the Jester and Poke-r Gut are in 1st person, Poke-r Gut being inflation though.
For videos, Augmero and Owrehl have some 1st person stuff. Some of them are combined with other perspectives of the same animations so you’ll have to search through all of them. A terrible fate, I’m sure 