Dead End - Mario goes down the wrong path on the mysterious mountainslide. Buried Alive - Mario is crushed by a coffin. 1/1,000,000 Cannon Shot - Mario fails spectacularly at the cannon while trying to go downtown and falls to his death. Jump Off a Cliff - Mario dives off a high platform and takes fall damage. Pushed off the Ledge - A sliding platform pushes Mario into the abyss near the start of Bowser in the Sky. Falling Down Tick Tock Clock - Mario lands on a rotating box which flips over to finish him off. Getting eaten by a Giant Fish - Bubba eats Mario. Burning your A** (twice) - Mario is burned by a Pyro Box and almost immediately runs straight into lava.
Fly Guy - A Fly Guy swoops down and hits Mario. A list of the ways to die in Super Mario 64.