1) Alright, I'd be remiss not to name the game I consider the one that made me a gamer: Elder Scrolls Oblivion (still working my way through the remaster). Not the best game ever, no, but it showed me what gaming could be.

2) Another classic. Vampire the Masquerade Bloodlines. It was one of the first PC games I played back in the day that wasn't something for kids or the Sims. And it's what got me interested in TTRPG's, even though it took many years to finally play any.