Hello and welcome @Aya_Benameur to weight gaming. The artist and dev behind FattFatt has changed their name a few times. They have gone by J8867bbw, and most recently debyjull.
Some of their other games include:
There are multiple topics on the site about their games. J8867bbw’s Games - General Discussion - Weight Gaming You can use the search function on the site or check out something like the user maintained list of games that will have some of the games on the site listed there. That might help you find some new things you would be interested in.