This the real thing?
Viewing post in Struggle Simulator 1.19 comments
No, they're not the dev. That would be Nomaaaaa, and they have it here (including mentioning that they wouldn't put it on itch).
https://img1.aryion.com/forum/viewtopic.php?f=79&t=60914&sid=5dc69af617cba6e7f69...
Also the version this guy showcased is outdated. Current public version is 1.20, and their Patreon is a bit further but it's just some patches for the most part.