World 1 (P-wing from 1-4, 44 coins)

The whole level needs completed as 1-3 needs played for the warp whistle, and 1-4 needs completed for the white mushroom house. Otherwise the level is completed as normal, also collecting the whistle from 1-F

World 2 (Anchor from 2-2, 30 coins)

After 2-1, it is probably best to give up the fire flower for the rest of World 2 and use a P-wing. The coins can be collected in 2-2 several seconds faster with the P-wing, and likely outweights keeping the fire flower. A damage boost can be done at the start of 2-F, giving up the tail to get P-speed. Box bro is optional. After fighting the bro with the hammer, the hammer will need to be used to get to the whistle bro. Stop at the western toad house for a guaranteed frog suit. At least one frog suit is required, and this is the fastest spot to pick one up since you must pass over the tile.

World 3 (P-wing from 3-8, 44 coins)

Optional: A guaranteed frog suit is available from the first toad house between 3-2 and 3-3. This one requires extra overworld movements to grab, so it's less optimal than the one in 2-2, but you might want the safety of a second frog suit in case things don't work out in 7-2.

Unfortunately, the 3-6 auto-scroller will need to be played. Fight the bro with a hammer, but try to skip the star bro. Cloud 3-6, play 3-7 for a new cloud, play 3-F2, and spawn the white mushroom house in 3-8. If the star bro was not fought, it is also possible to play the 3-6 autoscroller, cross the bridge, play 3-8 and 3-9. After 3-9, the bridge will be raised again so you can backtrack to the white mushroom house. It seems pretty certain that playing 3-7 and 3-F2 is the way to go, regardless what bro RNG or bridge position you have.

Since this run is collecting the anchors, this is the best spot to use one as a time loss mitigation safety strat. If anything goes wrong on the airship, it can be kept in place instead of going back through the pipe transition to chase it down. The anchor can be used before entering the palace to ensure the airship stays there.

World 4 (Anchor from 4-2, 22 coins)

You get a box from the princess letter after beating world 3. There are a couple choices what to do with the box to maximize the possibility of getting the cloud. After the first pipe transition but before entering 4-1, use the box to put the bros to sleep. Complete 4-2 to spawn the white mushroom house. Cloud bro will wake up and make a movement. If cloud bro moves right, then you can fight him for an extra cloud, collect the anchor and warp to World 5.

Another option is to play 4-1, and then use the box if the bro moves right. If he goes left, you can save the box but the cloud is lost. After 4-2, collect the item from the white mushroom house (or grab an item from the regular white mushroom house), and the bro will wake up in place without moving so you can fight him for the cloud.

Either of these options would increase your chances of getting the cloud from 25% to 50%.

World 5 (P-wing from 5-5, 28 coins required)

P-wing 5-1 for a box, if you didn't get one earlier, or just if that's how you prefer to play 5-1, with P-wings being so plentiful in this run. There is a fun P-wing strat that can be used in 5-2 as well, flying over the barrier after coming out of the pipe instead of bouncing up with the note blocks. Then in the upper section, you can damage boost and get through the level quickly. It is only a 2-3 second time save, and you might find the P-wing better used elsewhere, but it is nice to know this is an option. Ensure at least 2 P-wings are in inventory for 5-5 and 6-5. If you have an extra box, you can put the bros to sleep, but fight the P-wing bro if you need to.

After playing through 5-4, it will be time to equip a P-wing in 5-5. The P-wing will allow Mario to fly under the donut lifts to collect all the coins instead of waiting for each one to fall. This is the first level where a power up is required to collect all the coins. Mario will need the tail to break bricks and gain access to a pipe that leads to an underground section with coins and a tanuki suit. If the tail is lost, or not equipped, there are plenty of opportunities in this level to power up again, although some will require significant backtracking.

After collecting the P-wing from the white mushroom house, there is potential for route divergence. You can warp to world 6 from here and play world 6 to completion. Or world 5 can be completed. My early runs have actually warped from world 5, but it seems is is actually optimal to play world 5 to completion and save the warp whistle for world 6. This may depend on the particular runner's preference and skill level. A cloud is needed for the 5-9 auto-scroller, but you get another cloud from the princess letter after completing world 5.

If the sky box bro gets in between the palace and 5-9, then this is another spot to use an anchor, since Mario will not be sent behind 5-9. That's not nomally going to happen, so otherwise you would not want to use an anchor since you would need to play the autoscroller to get back to the airship.

World 6 (Anchor from 6-7, 78 coins)

Start like Any% Warpless, by taking the pipe as a shortcut, and breaking the rock to skip 6-1 to 6-3, but then box the bro with a hammer. 6-7 is being played anyway, so you won't need the hammer. Play 6-F1, 6-4, and 6-5. If possible, fight the cloud bro and skip the star bro. If you have an extra box, the other bro can be put to sleep to keep it out of the way. If it's too late, you might as well still use it here to stop the first bro's movement. The hammer suit is also available from the toad house behind 6-5.

World 6-7 requires fire Mario to collect all the coins, and there is a fire flower available in the level. If the fire flower is lost before the ending pipe transition, you need to take a death. Collect all the coins in 6-7 and collect the anchor. In case any of the coins are missed, there is a coin duplication trick that can be done with the ice blocks. If you still have two whistles, it's time to warp to world 7.

If completing the world 6, basically proceed as in Any% Warpless. A P-wing should be in inventory for 6-9. The anchor can be used again before going to the castle, if you want to use the anchors.

World 7 (P-wing from 7-2, 46 coins)

Clip through 7-1 as usual and go on to 7-2. Equip your frog suit and perform one of the hardest white mushroom house challenges in the underwater section. There is one coin and a fire flower in the two question boxes above ground. You can trade the frog suit for the fire flower, and then play through the level and enter world 8 as fire Mario or use a damage boost to gain P-speed. After getting the P-wing from the white mushroom house, use the last warp whistle to advance to world 8.

World 8

Play World 8 as desired. You will have at least 1 P-wing from playing 7-2 to use as/if you want. You should also have 2-3 clouds to use. It may be possible to skip the entire dark screen if you got good cloud RNG in World 4.

White Mushroom House Level specific notes

1-4: 44 coins required • Two multi-coin blocks in this level give some leeway o 11 coins can easily be obtained from the first multi-coin block o 7 coins can easily be obtained from the second multi-coin block  8 coins can comfortably be expected, but slight imprecisions in jump timing may make it possible to get only 7  It is possible to get 9 coins, but it seems to require framerule luck • Provided at least 18 coins are obtained between the two multi-coin blocks, all loose coins will be enough to spawn the white mushroom house • Getting 19 or 20 coins from the multi-coin blocks will allow 1-2 coin leeway

2-2: 30 coins required • All loose coins are required, plus all bricks transformed into coins while the P-switch is in effect • The brick before the P-switch contains an extra coin that does not seem to be included in the total. As long as this hidden coin is collected, there is 1 coin leeway

3-8: 44 coins required • A multi-coin block is above two ice blocks at the start. 11 coins are easily obtainable, but the game seems to expect you’ll only get 10, again giving 1 coin leeway the rest of the way • All loose coins are required, plus the bricks transformed into coins while the P-switch is in effect on the final floating platform o Watch out for Boss Bass. On the last platform, it is a good idea to wait for the platform to start rising before activating the P-switch o One of the bricks contains a 1-up, so it will not be collectible as a coin o There are some other bricks early in this level, but not required (nor possible) to collect as coins in time

4-2: 22 coins required • No leeway in this stage. All loose coins and bricks transformed while the P-switch is in effect must be collected. • There are no multi-coin blocks or hidden coins • Do not accidentally break any bricks (or loose coins transformed into bricks if you do P-switch first)

5-5: 28 coins required • No leeway in this stage. Although there is a coin hidden in a brick, this is the first time it is actually required. All loose coins, coins in question blocks, and the coin in the brick are required • There is an underground section, and all coins in the chute must be collected. There is a tanuki suit down here which likely is not worth grabbing, unless you don’t have a tail and missed any coins. Just falling straight down as either small or big Mario will net all the coins in the chute. • If you miss a coin, you might think you can stomp a koopa and carry it the end card, but it actually won’t work. Either the game accounts for your coin total as you hit the end card, ignoring the coin, or it specifically discounts any coins obtained in this manner when it checks your coin count.

6-7: 78 coins required • Fire Mario is required to get all (or more than all) of the coins in the level – there are two power ups in the level, so you can enter small, but don’t get hit after getting the fire flower (or before, if it will make you small again) • This level technically gives no leeway. In addition to the loose coins, there is a coin in a brick, in a question block, and an invisible block. All coins must be collected, but this level has a coin duplication trick • The auto-scroller factor makes this level deceptively difficult o If you get too far ahead or behind, coins might be too far off-screen and impossible to collect o Of course, Mario cannot be allowed to go too far off screen o If you get out of rhythm in this level, it is easy to miss coins without realizing it, or make it so coins are too risky to grab • Again, there is a koopa at the end of this level, trapped in the ice where you will need to collect the coins. If you are a coin short, you cannot carry this koopa to the end card to rectify your coin count. The coin collected does not count toward the white mushroom house total. • There are only 78 coins in the level; however, it is somehow possible to duplicate coins and collect more than 78. There are 33 coins in the ice blocks in the final part of the stage. When a block of ice is melted on the same frame that a coin is touched, the game prioritizes updating the ice block tile over the coin's tile. The coin is then collected and disappears on the next frame, but the game counts 2 coins as having been collected. It's something to be aware of - if you missed a coin or two, it's possible (though risky!) to still finish the level; if you reach the threshold, you might be able to skip the last few coins.

7-2: 46 coins required • Frog Mario is required to get all the coins in the level, which must be brought in inventory from earlier in the game • Below the surface at the start of the stage, there is a section with loose coins and a P-switch. To the right of this section, there are two groups of bricks. All of the loose coins and transformed bricks are required, with 1 coin leeway due to a coin in a brick on the surface

[This is a second draft, updated 2023-01-17 to correct typos, make route revisions, and explain my current understanding of the coin duplication trick. Please feel free to DM if anything seems incorrect, confusing, or if there are any typos or other suggestions.]