If it’s a melee game, I need third person all the way. For a shooter, I can take either. One thing I like about third person is it gives you a better sense of peripheral vision and your surroundings. First person games (if you’re not using VR, anyway) feel like you stuck a cardboard box on your head and cut out an opening to look through. It creates a more immersive experience, though, so depending on the game I may prefer it.