Mystery House Marathon is the final Mystery House of Super Mario 3D World and its Nintendo Switch remake Super Mario 3D World + Bowser's Fury. It is located in World Crown. Mystery House Marathon has thirty challenges, each having a Green Power Star as a reward for completing it.
Green Stars[]
- Green Star 1: Defeat the Koopa Troopas.
- Green Star 2: Jump along the swinging platforms and dodge the spike bar on the third platform.
- Green Star 3: Stomp on the two Brolders and place one on any two P Switches in the room. Then, stomp on the last switch.
- Green Star 4: Collect the Fire Flower in the Question Block and use it to light the four torches.
- Green Star 5: In a rotating room, run in the direction the room is rotating in while dodging the Peepas to get the Star.
- Green Star 6: Break the box containing the Green Star.
- Green Star 7: Defeat the Goomba and the Micro Goombas.
- Green Star 8: Throw the baseball the collect the Green Star. Watch out for the Biddybuds.
- Green Star 9: Defeat the Hop-Chops. One of them will turn into a spring to jump on. Ground Pound the spring to reach the Green Star.
- Green Star 10: Run along the footlight and jump on the left Thwomp. Run along the next footlight to reach the Green Star.
- Green Star 11: Jump inside an ice skate and dodge the Walleyes to collect the Green Star.
- Green Star 12: Collect the Super Bell in the Question Block and climb up the right wall to stomp on the blue P Switch the activate the Green Star. Climb up the wall again and jump over the left wall to collect the Star.
- Green Star 13: Climb up the series of walls, following the arrows leading to the Green Star.
- Green Star 14: Jump along the Blast Blocks and climb up the wall to collect the Green Star.
- Green Star 15: Climb the red and gold blocks. They will collapse as you jump on top of them.
- Green Star 16: Climb on the rotating wall and dodge the Fuzzies.
- Green Star 17: Use the Boost Pads to chase and catch the Glowing Rabbit.
- Green Star 18: Grab a baseball and jump on the Jump Pad. Throw the baseball at the Green Star.
- Green Star 19: Run along the rotating area, dodging/defeating the Piranha Plants.
- Green Star 20: Defeat the two Bullies.
- Green Star 21: Ground Pound the Question Blocks.
- Green Star 22: Run across the Boost Pads and dash on a narrow path, dodging the Cat Bullet Bills.
- Green Star 23: Jump along the Piranha Creepers.
- Green Star 24: Use the bomb to destroy the bricks, and use the baseballs to activate the ! tiles beneath the Thwomps.
- Green Star 25: Use the potted Piranha Plants to eat the Fuzzies, then defeat the Piranha Plants.
- Green Star 26: Run along the rotating cookie and dodge/defeat the Piranha Plants.
- Green Star 27: Wall jump on the bricks to make it to the stairs. Climb the stairs and collect the Green Star. Watch out for the Cat Bullet Bills.
- Green Star 28: Make your way across the collapsing platforms and dodge the spike bars, then dodge/defeat the Spikes.
- Green Star 29: Stomp on Boom Boom. This will be tricky as he is spinning and will turn invisible.
- Green Star 30: Collect the Coins and the Stamp, and jump off of the cloud platform.
Stamp[]
Mystery House Marathon is the only Mystery House in Super Mario 3D World to have a Stamp. The Stamp is on the path leading to the 30th Green Star, out in the open.
