What are some good n64 cames that you can play co-op? I am not talking about multiplayer i'm meaning the actually story.

I already have: Perfect Dark, Armorines and the mario party games. any others?

If you put JointVenture into the cheats section of Diddy Kong Racing you can complete the story mode cooperatively. Really excellent option, in my opinion.

Mario Kart 64 - You can play through all the Grand Prix races in 2 player. When I was growing up we'd try to hold the top two positions, 2nd place would basically body guard for 1st place .

Turok Rage Wars (co-op campaign is only finishable with the grey cart) - Not an amazing game but if you like mindless deathmatch fragging it's fun with a friend.

Asteroids Hyper 64 - co-op asteroids

Space Invaders - Co-op.... space invaders... with some cool special weapons

Robotron 64 - One person controls the player movements, one aims and shoots.

Cruisn' USA, World, Exotica - Exotica is the best of the 3 by far. Crazy courses. More fun in co-op.

Mario Tennis - Tournament doubles!

Star Soldier Vanishing Earth - Galaga-like shoot-em up

Rampage World/Universal Tour - I'm pretty sure these are co-op....

Gauntlet Legends FTW

Probably a lot of the EA sports games have a co-op feature, granted it would mostly be a matter of siding with the same team in a season (example that comes to mind for me is NHL 99, not big into sports so I don't really know the rest).

I think I'm gonna have to second Gauntlet Legends!

Goemon's Great Adventure is an awesome co-op 2 player 2-D platformer.

I'm going to 3rd Gauntlet Legends. I was playing with 3 friends not long ago and it was awesome. Unfortunately the game crashed during the second mission but other then that it was cool.

I've never played Gauntlet Legends, but if it's anything like Gauntlet Dark Legacy (and I assume it is), then yes. I wish there were more old co-op games in general. They got it right with Secret of Mana, so why not keep making more?