Then again, People need to have money to do just about EVERYTHING! Making this free will be a major loss for the person, however the $15 price tag is a bit much. Maybe charge at least $5, or maybe even $10.
@lipnox, what did you expect, pico8 is experiments, student work, game jams, and sometimes games made by newbies, and hobbies. (no offence to the pico8 community)
they are NOT like minecraft and games made by a team. it is usually one person, sometimes more than one.
it's your opinion, but... don't be so harsh