These could be games that left a lasting impression on you, games that had stellar gameplay mechanics, characters that captivated you, games that you played tons of hours on, etc.
Doom, wolfenstein, golden axe, warcraft 2, day of the tentacle. I am relatively old :D
I think you meant to say ‘relatively based.’ All of these are strong games.
Command and conquer.
Super Mario 3
Pokémon Colosseum, Super Mario Sunshine, Ratchet and Clank, Mass Effect
Duke Nukem 3D, Morrowind, Wolfenstein: Enemy Territory, Age of Mythology, the Sims 2. Diablo 2
Lasting impression top 5:
Great Gianna Sisters, Last Ninja 2, Castles, Loom, Moraff’s World