We are only one of the two devs. The other dev is the owner of the game rights, and doesn't want to work on it anymore, so we can't do much.
Ah okay. I also just played the game again and saw that the full credits are in there. Thanks for the info though.
Here is the artist if you have not figured out who, https://www.deviantart.com/pinguinkotak .
Thanks! Their stuff is so cooool
hopefully they sign it over to you eventually!
have you ever asked why? I'm curious