If native Subnautica controller support seems inconvenient for you, you can always change it if you use the best gamepad mapper — reWASD. Here are some of the best Subnautica controller support presets that you can import to your PC. Try making a config yourself: download reWASD, add needed mappings, don't forget to unmap controller buttons, press Apply and use it in game. Make a perfect Subnautica controller support with reWASD!