Top 20 games that I instantly think of without dwelling on it too much.
1. Bloodborne
2. Mass Effect 2
3. Batman: Arkham Asylum
4. City of Heroes
5. Tetris
6. Super Mario Kart
7. Horizon Zero Dawn
8. Fallout 2 (1998)
9. Planescape: Torment
10. Kirby's Epic Yarn
11. It Takes Two (video game)
12. Laser Squad
13. Civilization IV
14. Street Fighter II
15. Dead Space
16. SimCity 2000
17. Excite Truck
18. Star Wars: TIE Fighter
19. Thunder Force III
20. Wolfenstein: Enemy Territory
Rationale for a few:
Bloodborne is the greatest game of all time and it's not even close, it even makes Elden Ring look rubbish.
Kirby's Epic Yarn is the best game ever for playing with children. It's cute. It's fun. They can't die. They can't cause you to get stuck on the level causing endless frustration. It's perfect. Also the art style is the best, it's so far the only Kirby game I have ever enjoyed.
Laser Squad got picked ahead of XCom because it was amazing for it's time, far more so than XCom.
Excite Truck an outside pick but it was great. I love racing games where the terrain deforms and launches you into a massive jump while you're driving a truck and there's not many games that fit that category.
City of Heroes ahead of any other MMO because there was brief period where the balance was ridiculous. Some archetypes were godlike and others abysmal, everything was a confusing mess and it was amazing. My regular group had a tank called Mr Amazing, that's how amazing everything was. Amaze.
ET because it was the only online shooter I ever really got into. I loved it though, kill a dude. Knick his uniform, sneak in through the backdoor and blow up a base. Fantastic!