Arcade-wise, Atari Football. My friends and I would play for hours on that game. We had plays drawn up that were different than the set plays on the game’s diagrams. I think the diagrams showed four offensive and four defensive set plays. We had about four different plays for each set for a total of sixteen. We’d play four full 15 quarters and be totally wiped out after we finished.
Loved Spy Hunter too. Galaga I could play until I got totally bored and would just quit after getting high score like Armadillo did.
Missile Command used to piss me off, I could never beat that game.
Home arcade was Techmo Bowl, NHL Hockey, and Mario Brothers, then F1 racing and Star Fox. Any WWII fighter plane game. Love those.