Not necesarilly old games, just ones that you've played countless times with friends/family.
You know, ones you have really fond memories of and stuff.
Me and my cousin always used to (and still do whenever we see each other) play:
Starfox 64 (switch off every level)
Ocarina of Time (switch off every so often)
Mario Kart 64
Mario Party/2/3
Super Smash Bros.
Goldeneye 007
and when GC was the main system me and my friends played lots of:
Super Smash Bros. Melee
Super Monkey Ball 2
Mario Kart: Double Dash!!
Timespliters 2
WarioWare Inc. Mega Party Game$
F-Zero GX
Mario Power Tennis
007 Agent Under Fire
007 Nightfire
You know, ones you have really fond memories of and stuff.
Me and my cousin always used to (and still do whenever we see each other) play:
Starfox 64 (switch off every level)
Ocarina of Time (switch off every so often)
Mario Kart 64
Mario Party/2/3
Super Smash Bros.
Goldeneye 007
and when GC was the main system me and my friends played lots of:
Super Smash Bros. Melee
Super Monkey Ball 2
Mario Kart: Double Dash!!
Timespliters 2
WarioWare Inc. Mega Party Game$
F-Zero GX
Mario Power Tennis
007 Agent Under Fire
007 Nightfire