Hello! Yes commercial use is allowed however it is not CC0, its CC-BY-SA 4.0!The asset licensing can be found under more info :)But thanks for bring this up! I added it into the description.
Hello are you aware that CC-BY-4.0 has an anti-DRM clause that unless its waivered it prevents use on stores like steam/apple
Hmmm...interesting, I didn't know that! Thanks for pointing that out :) I'll add that to my description