Gameshare lets Switch and Switch 2 Users Play Supported Games Together. Nintendo has officially confirmed that its new GameShare feature will be compatible with first-generation Switch systems but only in supported games.Newly developed Switch 2 exclusive titles won’t support backward sharing.The following games were confirmed to support GameShare across generations:Captain Toad: Treasure TrackerSuper Mario 3D World + Bowser’s FuryClubhouse Games: 51 Worldwide ClassicsSuper Mario OdysseyBig Brain Academy: Brain vs. BrainGameChat will be free until March 2026, after which a Switch Online subscription will be required.