yeah. the next version (v3) will have 9 characters maybe (note there is 1 secret character. thats why 9. if you havent found them in the first 2 versions then look for her :P)
Maybe you can add a seperate part for fanmades
(I prepared a fanmade for this lol): https://file.garden/Z9oCqvCHkjQXBBZN/Psybox%20V3%20Submission.html