I know we have a lot of creative people here who also use those super powers to design games. James Mullen from Story Games just shared a link to a community dedicated to playtesting games that are unpublished:

I know we have a lot of creative people here who also use those super powers to design games. James Mullen from Story Games just shared a link to a community dedicated to playtesting games that are unpublished:

http://story-games.com/forums/discussion/20899/games-on-trial

While you are likely to find playtesters here for the solo stuff, it's probably not a bad idea to put it out there to a different audience who might have fresh ideas too. :)
http://story-games.com/forums/discussion/20899/games-on-trial