"Dusty Dune Galaxy Purple Coins"
Make it to the tower thingie that switches sides and work your way backwards. Almost all of the frustrating coins are there.
"Dreadnought Purple Coins"
Try to memorize the locations of the cannons and the purple coins. Also, avoid the temptation to get the Super Mushroom, as you're pretty much guaranteed to fail this one after getting hit once.
"Kamella Daredevil Run"
*E* My "advice" for this one was rather rude. I'll just say that I can't really help with this one.
"Dreadnought Secret Garbage Star"
I'll admit this one had me stumped for a while. You see those little gold circles that turn into coins? Try to throw the Bob-ombs onto them. They're positioned in a way that should get all of them.
"Bonefin Galaxy"
Find where the red shell spawns, it makes this a LOT easier. Also, make it a habit to go up for air between hits, and don't trust any treasure chests unless you already know what's in them.
"Luigi's Purple Coins"
This one seems to be unnecessarily frustrating for people, so I'm going to give more tips for it than the others:
Don't let the timer freak you out. It's only there so they had an excuse to include more than the usual 100 coins.
Do NOT get every coin in the first group. The star appears on the starting platform, and you'll need a way to get there.
JUMP from coin to coin. That way you can get yourself out of any corner you accidentally back yourself into.
For the clusters of five coins that are floating over the death pit: Jump towards the middle one, then spin back onto "land" IMMEDIATELY as you hear the sound confirming you got it. You might not get them all, but don't worry.
Don't rely too heavily on the coins that you need the long jump to get, you'll most likely miss a lot of them.
"Bouldergeist Daredevil Run"
This is another "don't get freaked out" star. Remain calm and wait until you are absolutely sure you've avoided all the rocks he throws before collecting Bomb Boos. As long as you're watching Bouldergeist, that's generally the only thing that hits you.
Hopefully this advice helps you and anyone else having problems with these.
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