This sub-genre is particularly notable for its use of pixelated textures and 2D, pixel-art sprites. While not all first-person shooters in this niche make use of 2D characters in 3D environments ...

Pixel Souls: Demastered, created for Dark Souls Remastered, is available on Nexus Mods, and replaces all textures with pixel art based on the original textures from the game.