If you put 100 percent into Super Mario Bros. Wonder back in 2023 and thought you were done, Nintendo just gave you a reason to boot it back up.
The Nintendo Switch 2 Edition + Meetup in Bellabel Park launched March 26, 2026, bringing a resolution bump to 4K at 60 FPS in TV mode, a brand-new area called Bellabel Park, fresh boss stages, expanded multiplayer, and a set of quality-of-life additions that address two of the original game's most common criticisms: it was too easy, and its online multiplayer felt thin. The good news is that this upgrade delivers on both fronts, even if the marketing leaned hard on the multiplayer when the real highlights are elsewhere.
What Bellabel Park actually adds to the Flower Kingdom
The setup is classic Nintendo: the Koopalings have stolen the Bellabel Flowers from the new park area, scattering across the Flower Kingdom with Wonder Seeds in tow. Each Koopaling gets their own dedicated boss stage built around a single, stage-wide gimmick tied to a Wonder Effect transformation. The result is some of the most inventive boss encounters in the entire Super Mario Bros. Wonder package. These stages don't just remix existing ideas; they push the Wonder Effect concept into territory the base game never quite reached.
A new Flower Transformation power-up also joins the roster, letting players toss flowers upward or perform a flutter jump. The key here is that it opens up fresh approaches to existing stages, giving returning players something new to experiment with even in areas they've already cleared.
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Your save file from the original Switch version carries over automatically to the Switch 2 Edition, so 100-percent completionists can jump straight into the new content.
Toad Brigade Training Camp is the sleeper hit of this expansion
The name sounds like a tutorial. It isn't. Toad Brigade Training Camp is a series of challenge-based levels built around specific completion conditions: collect a set number of coins, defeat all enemies, or chain Starpoint power-ups to stay invincible while speedrunning a stage. Time limits tighten and enemy placement gets more punishing as the courses progress.
The Starpoint categories are particularly sharp. You're invincible throughout, but the Starpoints move, sometimes pulling you off the most efficient path. You're sprinting, planning, and reacting all at once. For players who found the base game's difficulty too forgiving, these later courses feel like a direct acknowledgment of that feedback from the development team. The courses that require avoiding all enemies or coins are a different kind of challenge entirely, forcing players to unlearn three-plus decades of Mario instincts.
Toad Brigade Training stages
Dual Badges, multiplayer modes, and the rest of the package
The upgrade introduces Dual Badges, which let players equip the abilities of two Badges simultaneously. Some combinations exist purely to increase difficulty (Spring Feet plus Invisibility, for instance), but the more practical pairings open up genuine build theory. The Wall-Climb Jump combined with Grappling Vine is the standout, and the Auto Super Mushroom plus Coin Reward pairing keeps you powered up and rewarded throughout a run. Less experienced players can pair Parachute Cap with Boosting Spin Jump for significantly more control over landing.
On the multiplayer side, Local Multiplayer Plaza brings 17 versus and co-op modes, from a Bob-omb hot-potato variant to coin-collection frenzies. Game Room Plaza adds online play for up to 12 players across 6 modes, including platforming races and tag. These are fun additions, but they feel more like a bonus than a destination.
Rosalina joins the playable roster ahead of The Super Mario Galaxy Movie, playing identically to the main cast with full Badge and power-up support. Co-Star Luma is also available in co-op, designed specifically for new or younger players, able to fly freely and collect items without taking damage. An Assist Mode granting full invincibility across the entire game rounds out the accessibility additions.
What most players miss in the marketing is that the water system ties everything together: rewards earned from multiplayer and Toad Brigade Training water plants on the Bellabel Park overworld, unlocking cosmetic upgrades, greeting emotes, and new Dual Badge combinations.
For anyone who skipped Super Mario Bros. Wonder the first time around, this is the version to get. For returning players, the version 1.2.0 update details confirm the Switch 2 upgrade is designed to pull both audiences in. The Toad Brigade Training Camp alone justifies the return trip, and the Koopaling boss stages are some of the best Nintendo has built with this engine. Head to our latest reviews for more Nintendo Switch 2 coverage as the platform builds out its library. Make sure to check out more:
