If you’re wondering how to collect all the Banandium Gems in the Feast Layer of Donkey Kong Bananza, this guide is for you. Banandium Gems are shiny, banana-shaped treasures in this Nintendo Switch 2 game, released on July 17, 2025. They help Donkey Kong get stronger, faster, or better at special moves. The Feast Layer, a food-themed amusement park with oily rivers and salty sands, has 69 gems to find. With a few simple steps, you can grab them all.
What Are Banandium Gems?
Banandium Gems are special collectibles that give Donkey Kong points to upgrade his skills. In the Feast Layer (SL1400), you’ll find 69 gems, some in plain sight and others hidden in challenges or behind walls. Some are single bananas worth one point, while others come in bunches worth 3 or 5 points. You can find them by exploring, fighting, or using special moves like Kong Bananza or Elephant Bananza.
How to Find All 69 Banandium Gems in the Feast Layer
The Feast Layer is a big, tasty area with places like Mana Gate Market and Fried Pride Plaza. To collect all 69 Banandium Gems, you’ll explore, fight enemies, and break walls. Some gems need special moves or a second visit after beating the main story. Here’s where to find them, broken down by key areas.
Mana Gate Market Gems
The Mana Gate Market is a busy starting area with shops and challenges. You can find several gems here with simple steps.
- Warp Gong Wall Gem (1 Point)
Right behind the Mana Gate Market Warp Gong, there’s a gem on a wall. Climb up using Donkey Kong’s climbing ability—press the A button to jump and grab the wall. Then press Y to punch the shiny banana and collect it. This one’s easy to spot, so grab it as you start. - Stockroom Battle Gem (1 Point)
Below Mana Gate Market, there’s a stockroom with a Battle Challenge. From the Warp Gong, go to the bridge and jump down to the stockroom. Find the challenge door on the right, marked by a circular sign. Enter and beat the enemies inside—press L for Kong Bananza if your Bananergy meter is full to make it quick. You’ll get a gem when you win. - Mucky Wall Gem (1 Point)
In the same stockroom, look for a slimy wall. Grab a chunk of salt from the ground by holding ZR, then throw it to clear the slime. Walk inside and punch the banana with Y to grab it. The slimy wall is near the Battle Challenge door, so check there. - Restaurant Platform Gem (1 Point)
Near the Mana Gate Market Warp Gong, find a small restaurant area. Drop to a lower platform to see a gem on the ground. Punch it with Y to collect it. It’s an easy find if you explore the platforms around the restaurant. - Wallopoid Battle Gem (1 Point)
In Mana Gate Market, look left for a Battle Ruins entrance with Wallopoid enemies. Enter and fight 10 Wallopoids—use Y to punch or L for Kong Bananza to finish fast. The gem appears when you win. Keep moving to dodge their attacks. - Antickoid Battle Gem (1 Point)
Back in the stockroom, find another Battle Ruins door behind a slimy wall. Clear the slime with a salt chunk and enter. Beat 5 Antickoid enemies to get the gem. Use Kong Bananza to make it quick and easy. - City Smash Challenge Gem (1 Point)
Near the Mana Gate Market checkpoint, find a challenge door in a wall. Enter the Freestyle Bananzas: City Smash Challenge. Use Kong Bananza (L button) to destroy the building fast—aim to finish with 20 seconds left. The gem is yours at the end.
Fried Pride Plaza Gems
Fried Pride Plaza has a soda tank, a racing track, and more. Here’s how to grab its gems.
8–10. Growtone Gems (3 Points)
Next to the soda tank in Fried Pride Plaza, find a Growtone character. Feed it Gold three times: 500 Gold for the first gem, 2,500 for the second, and 5,000 for the third. Punch each banana with Y to collect. To get Gold, punch ore veins or beat enemies around the layer.
- Soda Tank Gem (1 Point)
Right by the Growtone, enter the soda tank. You’ll see a gem on a platform inside. Punch it with Y to grab it. Check the tank carefully—it’s an easy one to spot.
12–13. Challenge Course Gems (2 Points)
Near the Fried Pride Plaza tuning fork, find a triangular door for Challenge Course 4. Enter and follow the main path to punch a gem with Y—it’s hard to miss. For the second gem, punch the right side of a vertical salt wall to find a hidden room. Punch the banana inside. Use Kong Bananza to break walls faster.
- Steady Flow of Salt Gem (1 Point)
On the right wall of Fried Pride Plaza, find the Steady Flow of Salt Challenge door. Enter and use Elephant Bananza (unlocked in this layer) to smash salt barriers in the obstacle course. Finish in time to get the gem. Press L to charge Elephant Bananza for quick clears.
Giant Lion Statue Gems
The giant lion statue area has oily rivers and big challenges. Here’s where to find its gems.
- Shifty Smash Gem (1 Point)
Next to the lion statue, enter the Shifty Smash Challenge. Use Elephant Bananza to smash through obstacles and finish the course. The gem is given at the end. Make sure you’ve unlocked Elephant Bananza first. - Smashintone’s Salt Gem (1 Point)
Find Smashintone near the lion statue. Smash 30,000m of salt in the Feast Layer—check your progress in the menu. Use Elephant Bananza to break salt walls and piles. Talk to Smashintone after to get the gem. - Quiztone’s Quiz Gem (1 Point)
By the lion statue, find Quiztone. Answer three easy questions about the game, like “Who runs the Feast Layer?” (Answer: Lion Fractones). Get them right to grab the gem. These are simple if you’ve played the layer.
18–20. Fragmentone’s Gems (3 Points)
Under the lion statue, find Fragmentone. Collect three fragments in the layer: one behind a muck wall by the oil river, one in the Muckoid x13 Battle Ruins, and one near the Ferocious Fryhouse. Return each to Fragmentone for a gem. Punch muck walls with Elephant Bananza to find them.
- Oil River Muck Gem (1 Point)
Behind the lion statue’s tail, check the oil river for a slimy wall. Clear it with a salt chunk and punch the banana inside with Y. Look along the riverbank for the slime. - Oil River Terravoider Gem (1 Point)
In the same oil river, find a glowing Void Terravoider. Use Elephant Bananza to smash it, and the gem appears. Charge your Bananza with L to clear it fast. - Muckoid Battle Gem (1 Point)
By the lion statue’s back foot, enter the Muckoid x13 Battle Ruins. Beat 13 Muckoid enemies with Kong Bananza within the time limit. The gem is yours at the end. Dodge their attacks to stay safe.
Ferocious Fryhouse Gems
The Ferocious Fryhouse is the main quest area with a boss and more gems.
- Mad Mixer Boss Gem (1 Point)
In Ferocious Fryhouse, fight the Mad Mixer boss. Use Elephant Bananza to break its defenses—press L when Bananergy is full. You get the gem after winning. Save Bananergy for the boss’s weak spots. - Hidden Fractones Gem (1 Point)
Near the Ferocious Fryhouse tuning fork, dig down a ladder in the grass. Find four hiding Fractones underground and talk to them. They give you a gem. Use Better Sonar to spot the ladder easily. - Roarcoaster Challenge Gem (1 Point)
By the Ferocious Fryhouse checkpoint, talk to the Constructone to unlock the Branching-Track Roarcoaster Challenge. Enter and use Zebra Bananza to speed through the track. Finish in time to get the gem. Time your jumps to stay on course.
Scattered and Post-Game Gems
27–69. Remaining Gems (43 Points)
The last 43 gems are across Sublayer 1400, in challenges, hidden spots, or post-game areas. Here’s how to find them:
- Look in the layer’s four challenge courses (Mana Gate Market and Fried Pride Plaza). Each has 3 gems—one halfway, one at the end, and one hidden behind salt or muck walls.
- Check other Battle Ruins with enemies like Crockoids or Antickoids. Punch enemies with Y or use Kong Bananza to win gems.
- Punch salt, muck, or concrete walls around the layer. Use Better Sonar to find hidden bananas.
- Some gems need Ostrich Bananza, unlocked after beating the main story. Revisit high platforms or locked areas then.
- Explore oily rivers, salty sands, and high platforms near shops. Dig with Y or use Elephant Bananza to break barriers.
Tips to Grab Gems Fast
To collect all 69 Banandium Gems quickly, try these simple tricks. First, unlock Better Sonar and Better Turf Surfing in the Skill Tree—each costs 5 gems. They help you find hidden bananas and move faster through oily and salty ground. Use Kong Bananza to fight enemies and break walls, and Elephant Bananza to smash salt or muck. Zebra Bananza speeds up challenge courses. If you’re missing gems, check the Collection Menu—some show up only after beating the main story. Use the Mana Gate Market Warp Gong to come back fast. Punch ore veins or enemies for Gold, then buy Banandium Gem Maps at the Stuff Shop for 1,000 Gold each to find random gems.
Why Collect These Gems?
The 69 Banandium Gems in the Feast Layer give you points to unlock Skill Points—every 5 gems equals one point. These make Donkey Kong better at fighting, moving, or using Bananza powers, helping with tough areas like the Planet Core. With 777 gems in the whole game, the Feast Layer’s big haul gets you closer to unlocking everything and earning a star on your save file.