Here are some I can think of. There's probably a billion more though. Not to mention how very subjective a list like this is. One person might find something unmissable while another might not even consider it worth buying. I'll try to stay objective and not list games that are my personal favorites.
(I'm not listing those already in your post)
DreamcastShenmue
Rez (or on PS2)
Game BoyTetris
Pokémon (any version will do, but you
have to have one
)
GameCubeSuper Mario Sunshine
Resident Evil 4 (or on PS2)
N64The Legend of Zelda: Ocarina of Time
Goldeneye 007
NESSuper Mario Bros. 3
SNESSuper Mario World
Mario Paint
Final Fantasy 6 (called Final Fantasy 3 in NA)
Street Fighter II
PlaystationFinal Fantasy 7
Gran Turismo
Crash Bandicoot
PS2Grand Theft Auto 3
Rez (or on Dreamcast)
Resident Evil 4 (or on GameCube)
Genesis / Mega DriveSonic The Hedgehog 1 & 2
Atari 2600Combat
Here's a list of the best selling video games on most major platforms:
Best selling video games. If you're serious about collecting for a platform then you need to have all of these listed, eventually.