For me it was Terraria, Satisfactory, Tetris Effect Master Mode, Minecraft with Mekanism mod & CSGO / CS2 (almost 2000 hours in CS alone).
Edit: There are so many answers that I might only reply if I have something interesting to say. I will read all of your answers though. 🙂
Edit 2: It has become too much for me and I have to disable notifications. Thank you for the massive response and please continue to discuss with everyone here. ❤️ 🫡
Factorio quite literally made me ill. Had to have my back fixed after a few months playing as i spent many, many hours sitting way too still. This game must come with the health warnings!
Yeah I hate how I mostly look at a single point when playing it because of precision required to place things.