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. ❤️ 🫡
That sucks. Honestly I never played it, but my friends did back in the day where pretty much everyone did. I was mostly playing Valve games then.
It’s blowing up again now, over 200,000 concurrent players without an event. OSRS hits it’s platinum era because gold was a long time ago