You’ve been there. You’ve scaled the City Hall spire, ground-pounded every suspicious manhole, and done enough parkour on the girders of the Metro Kingdom to make a New Donk City construction worker nervous. Yet, the counter sits at 97/100. Honestly, it’s one of the most frustrating feelings in Super Mario Odyssey. Those last three New Donk City purple coins aren't just hidden; they’re practically invisible unless you know exactly where the developers decided to get mean.
The Metro Kingdom is unique because it’s vertical. Unlike the Sand Kingdom, where you can basically see for miles, New Donk City hides things behind billboards, under fire escapes, and inside interior sub-areas that you might have forgotten even existed.
Finding all 100 regional coins (the ones shaped like little city skyscrapers) is the only way to clear out the Crazy Cap shop. You need them for the Mayor Pauline Statue and the New Donk City Hall Model. Plus, if you want that "all moons" achievement, you'll need the shop-exclusive moons that cost 100 purple coins in total. It's a grind, but a satisfying one.
The Tricky Spots You’ve Definitely Walked Past
Most people miss the coins that require a leap of faith. Or the ones tucked into the literal "edge" of the map where the skyscrapers meet the bottomless abyss.
Take the New Donk City Hall Interior. When you're riding those moving lifts upward, it’s easy to focus on the Goombas or the wall-jumping. But there's a moment where you can drop down onto a crumbling platform. If you’re too fast, you miss two coins sitting right there. Another three are tucked behind a ledge near the second set of lifts. If you didn't rotate your camera 180 degrees while moving, you’d never see them.
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Then there’s the Underground Power Plant. This place is a nightmare for completionists. There are four coins on a lower green platform that you can only see if you tilt the camera down while the platforms are moving. It’s a classic Nintendo move—hiding things in the one place you’re trained not to look.
The "Billboard" Problem
Billboards are the primary obstacle to a 100% run.
- Behind the Slots Building: Check the alleyway. There’s a building with a triangular roof nearby; if you drop to a lower ledge, three coins are waiting.
- The "Invisible" Drop: On the building where you find the "Who Piled Garbage on This?" moon, there are two coins wedged between the building face and a sign. You have to dangle off the edge to even spot the purple glow.
- The Rooftop Garden: Everyone finds the flag. Not everyone realizes there are coins tucked under the fire escapes on the side of the building facing away from the street.
Secret Areas You Might Have Forgotten
If you're still missing a chunk of coins, you probably missed an entire sub-area. New Donk City is full of "warp" doors and manholes.
The T-Rex Chase is a big one. You enter a building near the City Hall Plaza, and suddenly you're being hunted by a dinosaur. There are six purple coins in here. If you don't grab them during the first run, you might forget the room even exists. You can go back in! Just don't let the T-Rex munch on Mario while you're counting your change.
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Did you go to the Outdoor Café? Most players grab the moon from the umbrella-hopping and leave. But if you look between the umbrellas, there are three coins floating in the air. Also, there’s a lone tree on a far-off rooftop reachable via a Mini-Rocket. Climb that tree. Two coins are hidden in the leaves. It’s simple, but because the area is so isolated, it’s a common "last two" spot.
How to Use the Bowser Amiibo (The "Legal" Cheat)
Look, no one likes to admit they need help, but if you have the Wedding Bowser Amiibo, you have a literal cheat code. Scanning it in-game will mark the location of any missing purple coins on your screen.
It’s not "cheating" in the traditional sense—it’s an intended feature. If you don't have the figure, you’re stuck with the old-fashioned way: Cappy. Throwing Cappy near corners is a great way to "fish" for coins you can't quite see. He has a slight homing property toward regional currency, so use him like a metal detector.
Spending Your Hard-Earned Loot
Once you finally hit 100, head to the yellow side of the Crazy Cap shop. Here is what you’re actually working toward:
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- The Builder Helmet & Outfit: Essential for getting certain moons where NPCs won't talk to you unless you look like you're on the clock.
- The Golf Cap & Outfit: Just for the aesthetic, mostly, but required for the "Nice Shot!" moon.
- Souvenirs: You can buy a Pauline Statue and a City Hall Model to decorate the Odyssey. It makes the ship feel less like a hat and more like a home.
Actionable Tips for the Final Stretch
If you are stuck at 95+ coins, do this right now:
- Check the Sewer: Go back into the manhole near the café. There are coins tucked behind the vertical pipes.
- Look Up at City Hall: Don’t just go to the roof. Look at the ledges on the north face of the building. There are three coins between two girders that are only accessible by dropping down from the very top.
- The Odyssey Landing Zone: Don't run straight to the city. Turn around. There are three coins on the girders right behind where the ship lands.
The New Donk City purple coins are a masterclass in 3D level design. They force you to look at the world from angles the developers didn't intend for you to use during the main story. Once you have all 100, you’ve basically mastered the layout of the Metro Kingdom.
Go back to the City Hall Rooftop. Look down. If you don't see any purple glints, you’ve finally done it. Grab that Pauline statue and display it proudly on your ship. You've earned it.