I have two different kind of comfort games, relaxing and simple action that I can play without thinking too much.
Relaxing:
- Cities skylines 1. My nr.1 relaxing game,
- Lucas arts point n' click.
-Zelda Alttp,OOT,WW
-Mario World SNES
Simple action:
-Doom 2
-Hotline Miami 2 (not easy, but...