Devil Spire is an easy contender, rougelite first person action dungeon crawler:
https://store.steampowered.com/app/1861290/Devil_Spire/

And in typical lit. who game fashion, it's 75% off for pennies

And the sequel seems even more like dream-project core. A daggerfall clone with morrowind grafixs. Might never get finished but it's worth a wishlist:
https://store.steampowered.com/app/3646460/Devil_Spire_Falls/