Mains that I feel everyone should play/try
Legend of Zelda, Ocarina of Time
Diddy Kong Racing
Mario Kart 64
Super Smash Brothers
Goldeneye 007 (or Perfect Dark)
Star Fox 64
Banjo Kazooie
Jet Force Gemini
Kirby 64: The Crystal Shards
Super Mario 64
1080 Snowboarding
Wave Race 64

Also, some pretty bitchin' side games;
Duke Nukem 64
Blast Corps
South Park
Tony Hawks Pro Skater
Bomberman 64
Gauntlet Legends
Mario Tennis
Mario Golf
Mario Party
Pokemon Stadium 1&2
Pokemon Snap
Road Rash 64
Snowboard Kids 1&2
Turok 1&2&3
Vigilante 8 1&2
Pilot Wings

Great list also for turok, rage wars was pretty good as well

He forgot Conker's bad fur day

Wow I can't believe I forgot conkers lol

you forgot fighting force? and shadowman

Oh well played fighting force was a good one but I played it on playstation and shadowman lol I forgot about that game whoa there wa no donkey kong 64 on there either great game

Some on the list looks pretty good, basicaly gona buy my n64 only for banjo cazooie cuz no xbox and want to buy some more of them good games