81 stars in 12 hours for Super Mario 64.
Shifting Sand Land was such a pain lol - hated that level so much.
Still...Tick Tock Clock and Rainbow Ride, not excited to play those levels again lol
Edit: Got all the stars (including the 100 coin stars) for....
Bo-omb Battle Field
Whomp's Fortress
Jolly Roger's Bay
Cool, Cool Mountain
Big Boo's Haunt
Hazy Maze Cave
Lethal Lava Land
Shifting Sand Land
Dire, Dire Docks
Also got all of the secret stars except for the last one in the clock tower.