Nintendo has issued a warning to players that Super Smash Bros Ultimate is facing compatibility issues on Nintendo Switch 2.

TheNintendo Switch 2is out today, June 5, and players are finally getting their hands on the system. As part of the public rollout, thousands of originalNintendo Switchgames are being put through their paces as fans test their compatibility withNintendo’s new system.

Nintendo warns Switch 2 users not to play Smash Bros. with Mii Fighters

WhileNintendo published a list of compatible gamesbefore the release of the console, players have now discovered some issues with games that haven’t been previously announced.

Notably, Nintendo has warned Super Smash Bros Ultimate players that certain conditions could see the game become incompatible with Nintendo Switch 2, and cause matches to end instantly.

Nintendo Switch Wireless Pro Controller£49.95£54.9…

[Super Smash Bros. Ultimate]The game has some issues on the Switch 2.• If a Switch 1 and Switch 2 play together online and one uses a Mii Fighter, the match may immediately end.• Mii Fighter thumbnails may not save correctly.An update will be released soon.(thanks Pau)https://t.co/3I9HdveuuW

Nintendo’s official Japanese support page for the game warns that if a player on Nintendo Switch 1 matches with a Nintendo Switch 2 player, either of them using a Mii Fighter will cause the game to end abruptly.

Nintendo Switch Joy-Con Pair£65.99

Nintendo has said that a patch is coming, but hasn’t clarified when it’s likely to arrive.

VGC has received its Nintendo Switch 2 units and is in the process of covering the system.This week we took a look atSuper Mario Odyssey and Bowser’s Fury running on Switch 2.

CRKD Nitro Deck£89.99$89.99

Twelve original Nintendo Switch games are set to receive free patches for the Nintendo Switch 2. These are separate from the paid Switch 2 Edition upgrades for Zelda gamesBreath of the Wildand Tears of the Kingdom.

VGC has also taken a look atThe Legend of Zelda: Link’s Awakening and The Legend of Zelda: Echoes of Wisdom running on Nintendo Switch 2.

Nintendo Switch (OLED Model) - White$214.99$399.99…

Nintendo Switch 2 launch lineup includesMario Kart World, a new open-world entry in the franchise.We recently got to play the new game for several hours pre-launch, which we said introduces “one of the series best features.”

Nintendo Switch (OLED Model) - Neon Blue/Neon Red$…

Nintendo Switch OLED - Pokemon Scarlet and Violet …