Nintendo Fixes Switch Games for Switch 2 Compatibility

Nintendo has released a firmware update for the Switch 2 that fixes compatibility issues with several original Switch games. The update, version 21.2.0, came out on January 12, 2026, and brings better stability to titles like Pokémon Brilliant Diamond and Shining Pearl. This move helps owners play their old games on the new hardware without problems.

Background

The Nintendo Switch 2 launched last year with promises of backward compatibility for most original Switch games. That means people can use their physical cartridges or digital downloads from the older console on the Switch 2. But not everything worked right away. Some games had glitches, like crashes or audio problems, because the new console has different hardware.

Nintendo set up a compatibility page where users can check if their games work. Early on, titles from 2021 like Pokémon Brilliant Diamond and Shining Pearl showed issues. Players reported crashes during gameplay on Switch 2. Another game, Cats on Duty, a mix of strategy, tower defense, and match-3, also had support problems. Kirby's Return to Dream Land Deluxe faced audio glitches in some levels.

This is the first system update for Switch 2 in 2026. The previous one, version 21.0.1, came in late November 2025 and fixed a few specific issues along with stability tweaks. Nintendo applies many updates to both the original Switch and Switch 2 at the same time. The company keeps testing games to make more of them fully playable.

Hardware differences play a big role. Switch 2 uses Joy-Con 2 controllers, which lack some features from the original Joy-Con, like the IR Motion Camera. Games that need those, such as 1-2-Switch or WarioWare: Move It!, require old Joy-Con connected wirelessly. Accessories like Ring Fit Adventure's Ring-Con or leg straps do not fit Joy-Con 2. Nintendo Labo kits have limits too, since the Switch 2 body does not fit in some Toy-Con pieces.

Nintendo has been clear from the start. Not all Switch games would work perfectly on day one. They said future updates would add support over time. So far, many popular titles have gotten free upgrades for better visuals, frame rates, or new features on Switch 2.

Key Details

The 21.2.0 update focuses on general system stability to improve the user experience. Nintendo lists that as the main change in official patch notes. But players and checks on the compatibility page show real fixes for games.

Fixed Games

Pokémon Brilliant Diamond and Shining Pearl no longer crash on Switch 2. These remakes from 2021 had random shutdowns before. Now, Nintendo marks them as fully compatible.

Cats on Duty also got full support. This lesser-known game combines real-time strategy, tower defense, and match-3 puzzles with cat characters. It runs smoothly now.

Kirby's Return to Dream Land Deluxe still has an audio issue in certain areas. Nintendo knows about it and plans a fix soon.

Users get the update automatically, or they can check manually in system settings under System Update. The same patch went to original Switch consoles.

Other recent news ties in. Nintendo Music got an update with the Mario & Luigi: Brothership album, adding 94 tracks. Last week, Nintendo Classics added Fire Emblem: Path of Radiance from GameCube.

Animal Crossing: New Horizons gets a big update this week. The Switch 2 Edition launches January 15 with Joy-Con 2 mouse controls for decorating, up to 11 friends on an island, and 4K resolution. A free update for both consoles adds a resort hotel, more storage, and three new Slumber Islands.

Splatoon 3 has another update later this month.

"Nintendo released a new system firmware update for the Switch 2 yesterday and it's resolved some compatibility issues."

• Nintendo Life report

January looks busy for Switch 2. New releases include Final Fantasy VII Remake Intergrade on January 22 and Dragon Quest VII later. Animal Crossing leads the pack tomorrow.

What This Means

These fixes make Switch 2 more appealing for owners of original Switch libraries. People with stacks of cartridges can keep playing without buying new copies. It shows Nintendo's commitment to backward compatibility, even if it takes time.

Game developers benefit too. Smaller titles like Cats on Duty get a chance to shine on new hardware. Popular ones like Pokémon see renewed interest.

For players, stability matters most. Crashes break immersion, especially in long sessions. Smoother performance means better battery life and fewer frustrations.

Looking ahead, expect more updates. Nintendo tests ongoing, and 2026 brings many games to both consoles. Free upgrades for titles like Pokémon Scarlet or Super Mario Galaxy optimize visuals and frame rates.

Owners should check the compatibility page before buying Switch 2 or new games. It lists supported titles and known issues. Wireless Joy-Con help for motion-heavy games.

This update starts the year strong. With new firmware and games coming, Switch 2 users have plenty to play. The hybrid console bridges old and new libraries better each month.