* `voidfish.ogg` (CC BY 3.0)
        * Source 1: <https://freesound.org/people/tbsounddesigns/sounds/416861/>
        * Source 2: <https://freesound.org/people/tbsounddesigns/sounds/416859/>
        * Source 3: <https://freesound.org/people/tbsounddesigns/sounds/416862/>
fish.png, mob.png, and mob.b3d are from mineclonia
