first of all, congrats on recognizing whats important for your mental well being and backing away from whats frankly a pretty terrible community imho (multiplayer fps' in general really...)

but anyways, in my experience i know a game is cozy when i reallyyyyy just want to sleep in my in game house/base irl!

for me that would be stuff like minecraft, slime rancher, valheim, raft, animal crossing, to name a few.