Super Mario 3D World: Crown-Mystery House -- Mystery House Marathon

The last Mystery House is a long one. You have to collect 30 Green Stars and have ten seconds to make each one appear and collect it. Once you collect the Green Star, the timer stops, so you can take a break if you need to. If you fail to collect one, you'll have to start over. If you find this to be a bit difficult, having more players can make things a little easier.

1. Kill three Koopas to get the first Green Star.
2. Run and jump on the pendulums, then jump for the Green Star. Avoid the spike bar on the last pendulum. If you fall off the last pendulum, you may be able to hop back on and get the Green Star.
3. There are two Brolders and three P-Switches. If you are playing solo, throw the Brolders onto the P-Switches and stand on the last one. If you are playing with others, have them stand on the switches.
4. There's a triple item block on the back wall. It contains a Fire Flower. Light all four torches to make the Green Star appear. You'll have to jump to light the torch in the back left corner.
5. You'll be in a spinning room with Peepas. Throw fireballs to make the Peepas temporarily transparent. Get the Green Star when it's close, on the left side.
6. You're in a room full of crates. The Green Star is in the set of crates in the back right corner. The crate it is in is the lower left corner.
7. There are six Microgoombas and a Goomba in the room. Defeat them all.
8. Throw a baseball down the slope at the Green Star (or hit one down with a fireball, or slide down). Avoid having the baseball hit a Biddybud or it will miss the Green Star.
9. There are four spring enemies, one of which turns into a spring. This one is on the far right. Turn it into a spring, then quickly ground pound it to reach the high platform with the Green Star.
10. There are two Thwomps and a footlight path so you won't fall. Stand on the Thwomp, then wait for it to rise so you can run to the Green Star.
11. This one can be a little tricky. Jump to land in a Kuribo's Ice Skate and start sliding down. Follow the coin trail and avoid the Walleyes. Repeatedly hit (Y) for a speed boost. Try to line up with the Green Star at the end so you slide into the warp box.
12. Grab a Super Bell from the back wall, climb up over the right wall, hit the P-Switch, climb back up the wall and jump over the left wall to get the Green Star. You can split the work with two or more people.
13. Climb up the tower, avoiding the moving brick blocks. The Green Star is at the very top. Before you warp, you may want to hit the glowing spot nearby for another Super Bell.
14. There are Beat Blocks moving at double time forming stairs up to a wall. Try to reach the top Beat Block, then climb up the wall. The glowing spot here also has a Super Bell.
15. Climb up the wall, which will fall away after you clear a chunk of it. Run quickly and grab the Green Star on the rock.
16. There are Fuzzies circling a wheel on the back wall. The Green Star is surrounded on three sides, forming a "U". You can run up the wheel, or spin jump to the Green Star, which is easier.
17. Use the boost pads to chase the bunny. Catch it for the Green Star, then grab the Green Star.
18. Grab a baseball, run and jump from the springboard, then throw the baseball at the P-Switch. The baseball may grab the Green Star for you.
19. You're in a spinning cylinder with Piranha Plants. Run to make the cylinder spin so you can reach the Green Star. Alternatively, if you have the Cat Suit, run up the wall and jump for it.
20. Push two Bullies into the lava. It's a little easier with a Cat Suit.
21. There are giant item blocks that form bridges when you ground pound them. Jump from the top bridge to get the Green Star. Alternatively, with the Cat Suit, run up the wall.
22. There are boost pads at the start of a narrow path. Line yourself up with the center, run and jump across the platforms to get the Green Star. Alternatively, you can run around on the platforms. Avoid the Cat Bullet Bills.
23. There are sleeping Piranha Creepers forming stairs to the Green Star. You have to hit the one at the top to reach it. Bounce on all of the Piranha Creepers or climb the wall with a Cat Suit and bounce on some of them.
24. There are baseballs, two Thwomps, and a bomb. Use the bomb to clear out the lower gray bricks, then use the Game Pad to clear the ! Switches. You can also throw baseballs at the ! Switches.
25. Grab a Potted Piranha Plant and have it eat the Fuzzies. Then stomp both Potted Piranha Plants for the Green Star.
26. Run over the cylinder with the Piranha Plants. The Green Star is on the right side, the side closest to the screen.
27. There's a large spotlight over some gray bricks. Wall jump up between the bricks, then jump for the Green Star. Cat Bullet Bills will appear if you enter the spotlight.
28. There are two Spikes throwing spike bars onto donut lifts. Run, dodge, and weave to make it to solid ground with the Green Star.
29. Boom Boom is here. Hit him once to make the Green Star appear.
30. There are stacks of coins on the path ahead. Coins will rain down. Run to the edge of the path, grab the stamp on the way, and jump off the cloud to reach the Green Star where the Sprixies are gathered. You're done!

The stamp is of a Starman.

Thanks to Ashwin, Derek, John, and Tony for helping me complete this level.

Super Mario 3D World: 6-5 -- Ty-Foo Flurries

Ty-Foos are giant Foos that blow vortices. They're strong enough to push you to the edge of the ground. There's lots of snow in the area. You may want Toad for this level. The first set of item blocks has a Fire Flower. Hit the Ty-Foos with it to temporarily stun in so you can pass. Go right and up the path with the crates. You'll find a couple of brick enemies with spiked edges that will strafe side to side. Past them is some ice with a Goomba in a Kuribo's Skate. Take the skate and use it to safely go onto the spikes ahead and reach the stamp. Return to the ice, then go up the steps. There are Ty-Foos here. There are a couple of item blocks in the path of a Ty-Foo. Above them is an invisible block. Stand on it to reach the first Green Star. Ahead is a narrow path with several Ty-Foos. Either run quickly or stun them individually to pass. Go through the clear pipe at the end to reach the midpoint.

Past the midpoint is more ice. Grab a Kuribo's Skate and go left to the Mystery Box, crossing some spikes. Here, grab another Kuribo's Skate and skate downhill as quickly as possible to reach the second Green Star. Once you return to the main level, cross the spikes again, then go to the back wall. The third Green Star is in the gap. Jump into the gap when you see a little air current come from the gap. A vortex will push you out of the gap. Don't jump when the vortex is there or you won't be able to reach the Green Star. Ahead are more Ty-Foos and brick enemies, which makes reaching the pipe to the flag difficult. Time your movements and proceed with caution.

The stamp is of Mario and Kuribo's Skate.

Super Mario 3D World: 3-1 Snowball Park

There's lots of snow here. Even the Pokeys are made of snow. Use Fire Flowers to defeat them and parts of them will remain. Pick up the snowballs and throw them at enemies. Cross the first patch of ice and go behind the trees to find a Propeller Block. Keep it throughout the level. Walk forward and you'll see many Para-Biddybuds, the flying bugs. There's an alcove behind them with the first Green Star. Kill the enemies to clear the path to it. Go forward and go past the Snow Pokey. The item block has a Super Leaf, which gives you a Tanooki Suit. There's a Goomba in an ice skate. Kill the Goomba to get it. Skate around, which makes navigating on the ice easier, but you'll lose it if you run into something. Across the ice is the midpoint.

Slide down the slope to a large patch of ice with more Goombas in Kuribo's Ice Skate. There's a Red Coin Ring, with the Red Coins appearing in a circle around the ice-free zone in the center. Past the ice is a rabbit with the second Green Star. He can be a little tricky to catch, especially when he crosses the ice. Try using a shortcut to cut him off. It make take a while to catch him, so watch your time. Past the rabbit is a patch of ice with Snow Pokeys. On the narrow strip of ice is the stamp. On dry land, climb the tree near the wall, jump, and use the Propeller Block to reach a high alcove with the third Green Star. The pipe to the right will take you to the flag.

The stamp is of a Para-Biddybud.