The Green Demon Challenge in Super Mario 64 is a challenge to collect all of the red coins in a world, while a green 1Up mushroom is chasing you. The challenge is made diificult by the fact that the msuhroom travels faster than Mario runs, so many tricky and evasive manoeuvres are needed.
- Climb a tree that spawns a 1Up mushroom
- Before the 1Up mushroom catches you, collect the 8 Red coins, and then collect the resulting star
The Green Demon Challenge is available in the following worlds
- Bob-omb Battlefield
- Whomp's Fortress
- Cool, Cool, Mountain
- Shifting Sand Land