I'll start off with Raiden II's Repeated Tragedy.
A local restaurant had this game, and every time we went, I'd beg my parents for money so that I could play it. I wasn't very good at the game, so I never got past the first stage, and so I heard this song a lot. Really gives me nostalgia.
Also got to shout out Streets, from Timesplitters too. I put a lot of time into this game as a kid, and this song is what got me into futurepop (love me some VNV Nation).
for burned into brain it's definitely chiptune music from NES games I played as a kid like:
Big Nose the Caveman - Level 2
Fantastic Adventures of Dizzy - Pirate Ship
The Jetsons - Cogswells Caper! Level 1
also I guess the Quake 3 Rocket Arena 3 theme from back in the day
when parts of this or this come on while playing ESO in the Morrowind region it feels special
There's also a lot of game music I like but from games I never played so I won't list any of those