Mystery House Marathon

Mystery House Marathon, or World Crown-, is the final Mystery House of Super Mario 3D World, with each challenge lasting 10 seconds. It is the longest course in the game, with thirty Green Stars to collect.

Challenges

 * 1. A room containing three Koopa Troopas that must be defeated to collect the Green Star.
 * 2. A set of three swinging platforms, and one rolling spike bar, the Green Star is at the end of the platforms.
 * 3. A room with three P-Switches and two Brolders, all switches need to be activated.
 * 4. A room containing four Torches and a Rectangular ? Block with a Fire Flower.
 * 5. A room rotating counterclockwise containing three Peepas rotating clockwise and a Green Star.
 * 6. A room containing twenty wooden Crates. The Green Star is in the top right group, bottom left crate.
 * 7. A room containing a Goomba and six Micro Goombas who need to be defeated to collect the Green Star.
 * 8. A room containing four Biddybuds and five Baseballs, the Green Star is over a gap down a slope.
 * 9. A room containing four Hop-Chops and a out of reach Green Star.
 * 10. A room containing two Thwomps and an invisible path.
 * 11. A sled run with Walleyes.
 * 12. A room separating a small P-Switch and the Green Star, with a Wooden Crate with a Super Bell.
 * 13. A set of large blocks stacked up with the Green Star at the top.
 * 14. A room containing one second Beat Blocks for stairs and a Green Star.
 * 15. A room with four Donut Blocks, with the Green Star at top.
 * 16. A room rotating counterclockwise with two groups of Fuzzies rotating clockwise. Green Star is in the middle of the wall in a top opened box.
 * 17. A room with seven Boost Pads and a Rabbit holding the Green Star.
 * 18. A room containing a Trampoline and five Baseballs, with a small P-Switch at the top on the right side wall that must be hit for the Green Star to appear.
 * 19. A rotating wooden circle maze containing two Piranha Plants and a Green Star.
 * 20. A platform and two Bullies.
 * 21. A room containing three Extending ? Blocks and a out of reach Green Star.
 * 22. A room containing three Boost Pads, two Bullet Bill Launchers, Cat Bullet Bills and a Green Star at the end of a narrow walkway.
 * 23. A room containing six Pirahna Creepers, five as stairs and one as an obstacle, with the Green Star at the top.
 * 24. An automatically rotating hill with Piranha Plants and Brick Blocks and a Green Star at the end.
 * 25. A room containing three P-Switches, two Thwomps, one Bomb and five Baseballs.
 * 26. A room containing two Potted Piranha Plants and two groups of Fuzzies, who must be defeated to collect the Green Star.
 * 27. A room with Gray Brick Blocks up against the wall, a Search Light and Bullet Bills. The Green Star is in top left corner.
 * 28. A Donut Block Bridge with two Spikes at the end along with the Green Star.
 * 29. A room containing Boom Boom, who can be defeated in one stomp.
 * 30. A straight pathway with Coin Stacks, a stamp and a Green Star all laid out in a row.

Enemies

 * Boom Boom
 * Biddybuds
 * Brolders
 * Bullet Bills
 * Bullies
 * Cat Bullet Bills
 * Fuzzies
 * Goombas
 * Micro-Goombas
 * Koopa Troopas
 * Peepas
 * Piranha Creepers
 * Piranha Plants
 * Spikes
 * Thwomps

Stamp

 * In the final room, in plain sight.

Trivia

 * This is the only Mystery House to contain a Stamp.