Nice, thanks!I don't know how good any of these are but Alanah Pearce just hosted the DEEPWELL awards, which are a bunch of games that are designed with game designers and mental health pros with the express purpose of helping people feel better mentally.
Here's where you can watch the awards.
Here's the link to the DEEPWELL publishing page...really quite interesting stuff they are trying.
And if you scroll all the way to the bottom half of this page, you can find all the games that were submitted for this year's awards (and the winners). I THINK they are all free but I'm not 100% sure.
TL;DR- dunno but maybe you'll find what you're looking for in the links above ...