If Core Keeper closes unexpectedly or freezes on Nintendo Switch, restart the console first, then update the system and game. After each step, reopen the game and return to the point where the problem occurred. Nintendo’s troubleshooting guidance applies to Switch software generally; it does not establish a specific cause or confirmed fix for Core Keeper.
Work through the basic checks first
Follow these steps in order, testing the same part of your game after each one. Menu labels and update availability can vary by region, so use the options shown on your console rather than relying on a version number.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
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Core Keeper (Nintendo Switch) | $44.99 | Buy on Amazon |
| 2 |
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Pokémon Pokopia - Nintendo Switch 2 | $69.00 | Buy on Amazon |
| 3 |
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Mario Tennis™ Fever (Nintendo Switch 2) | $69.00 | Buy on Amazon |
- Restart the Switch. Hold the POWER Button for three seconds, choose Power Options, then Restart. If the console is unresponsive, hold POWER for twelve seconds to force it off, then turn it on again. Nintendo’s unexpected-closure troubleshooting recommends restarting as an initial step.
- Update the system. Open System Settings and check for a system update. Nintendo advises making sure the console has the latest system software before continuing.
- Update Core Keeper. On the HOME Menu, highlight the game without launching it, press + or −, select Software Update, then Via the Internet.
Check the game data, then reinstall if needed
Check for corrupt data
Use the Switch’s software data-check procedure for Core Keeper. If the console reports corrupt data, follow Nintendo’s on-screen instructions to repair or redownload the software. This checks the downloaded game files; it is not the same as deleting saved progress.
Try a fresh installation in system memory
If the basic checks do not help, Nintendo’s crash guidance recommends deleting the problematic software and redownloading it to system memory. If a microSD card is inserted, remove it before redownloading. Nintendo states that game save data is stored in system memory, separately from downloaded software data. Follow the console’s prompts carefully and do not treat deleting the game software as deleting a save.
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- Uncover the mysteries of the core: descend into a vibrant world in Core Keeper on Nintendo Switch, a co-op adventure for 1-4 players. Explore a dynamically generated underground filled with secrets, resources, and legendary challenges. Mine for precious materials, create powerful tools, unlock unique abilities and build your foundation to thrive in this ever-evolving world. Will you be a master miner, a craft prodigy or a terrifying fighter? The choice is yours!
- Explore a diverse subworld: No two adventures are the same in the procedurally generated world of Core Keeper. Each biome has its own ecosystem and challenges. Navigate the living walls of the Clay Caves, brave the crystal-filled shimmering border or discover the secrets of the ancient caves. Build a sturdy boat and explore the depths of the mysterious Sunken Sea. Every corner whispers of the past - tell the story and discover the true power of the Core.
- Build your underground paradise: Unleash your creativity and make your own way in Core Keeper. Create the ultimate foundation, from a cozy cottage to a bustling mining center, with a variety of materials and decorations. Customize your character's look to your playstyle and choose from a wide range of outfits and powerful armor pieces. In creative mode, experiment with unlimited resources and push the boundaries of building bases. Expand your experience even further with a thriving community and a wealth of player-created mods.
- Adventure awaits, solo or with friends: Embark on a solo adventure at your own pace, discover hidden secrets and build your dream base. Core Keeper also shines in seamless 2-4 player co-op. Collaborate, share resources, overcome challenges and create a shared world with your friends. Celebrate the changing seasons, trade with merchants, breed cute animal lovers, make music on playable instruments - the possibilities are endless. Do you want a dedicated world for your crew? Host your own server and discover at your leisure
- Word Core Keeper: Core Keeper offers an unforgettable experience for sandbox adventurers. With limitless possibilities, engaging explorations and a vibrant online community, there's always something new to discover. Take on legendary Titans, automate tasks with ingenious machines, master a wide range of recipes and discover the secrets of this forgotten world. Take on the challenge, explore the depths and build your legacy in Core Keeper, coming soon to Nintendo Switch!
If Core Keeper is installed on a microSD card
A card can be isolated as a possible factor, but the available Nintendo guidance is general troubleshooting—not evidence that microSD cards cause Core Keeper crashes.
- Remove the card and install or redownload the game to system memory, then retry the same point in play.
- If the problem continues and the game had been running from microSD, Nintendo’s downloaded-software guidance also lists formatting or replacing the card as possible troubleshooting steps. Formatting erases data on the card, so back up anything you need and follow Nintendo’s current instructions before proceeding.
- A replacement card is not a guaranteed repair. You do not need to buy one to try the earlier steps.
Save the error details before contacting support
Open System Settings → Support/Health & Safety → Error History, then select the relevant entry. Nintendo says the console retains the ten most recent errors; a selected record can include error, network, software, and system information. Record the displayed error and the software and system context so you can provide them to support.
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- Use other Pokémon’s moves, like Bulbasaur’s Leafage, to revitalize and navigate the world around you.
- Meet and befriend more Pokémon as you help nature flourish.
- Gather materials to create items and furniture, till the fields to grow delicious crops, build homes for the Pokémon you meet, and more—there’s so much to do!
- Experience a world with varied weather, real-time days and nights, and other surprises.
Use factory-reset options only as a late escalation
Nintendo’s unexpected-closure instructions list restoring factory settings without deleting save data after the earlier troubleshooting and reinstall steps. Treat this as a last resort, follow Nintendo’s current instructions carefully, and contact Nintendo Support if the crash persists. Nintendo says, “If the issue persists, please contact us for support.”
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What these steps can—and cannot—tell you
These actions follow Nintendo’s general guidance for software that closes unexpectedly or has downloaded-software problems. They can help isolate a system, software-data, or storage-path issue, but none is a confirmed Core Keeper-specific crash fix. The available official sources do not establish a particular cause, such as world size or multiplayer, or confirm that a particular update resolves the issue.
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Nintendo Japan’s system-update history lists version 23.0.0 as released September 10, 2026. That is a Japan-specific system-history entry, not a Core Keeper patch or evidence that this game’s crashes are fixed. Check your own console for the current update offered in your region.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
