The game's story takes place after the entire New Super Mario Bros. It is tan with brown spots, and always disappears after one use. There is a fifth Toad House that appears on the world map, appearing each time the player completes a level when the last two digits of their time match, which also makes red and green Toad houses respawn. However, completing all levels in the game (excluding Expert Territory) makes them stay permanently. Red and green Toad houses disappear after one use. Yellow Toad Houses contain various challenges, much like Challenge Mode from New Super Mario Bros. Blue Toad Houses are shops where the player can buy and sell items. In green Toad houses, the player plays a minigame of 1-Up Blast. In red Toad Houses, the player plays a minigame of Power-up Panels. Toad Houses also appear on the world maps, coming in four different types. Of course, this can be avoided if the player replays the solid red levels, and beats them on their own. Before switching, there is also a warning regarding this, giving the player a yes or no option. Upon switching to Standard Mode, the player will be taken back to the last level they beat legitimately. However, using Assist Mode incurs a major penalty. When a level is completed with the Super Guide, its space will become solid red. There are also hints as to where Power Stars are located in levels. In Assist Mode, a Super Guide Block appears after the player dies several times in a level. The main game has two modes Standard Mode and Assist Mode, which the player can switch between from the pause menu on world maps. Most bosses also take five hits to defeat, rather than three. Players can switch their characters from the pause menu on world maps. 3, this game is geared towards experienced players. On the world maps, the player can open an inventory, which can hold up to 100 of any item.

When an Enemy Course is cleared, the player will earn three random power-ups. U, although like the former, they only consist of Hammer Bros. Each of the main eight worlds contains at least one Enemy Course, much like Super Mario Bros. In addition to the eight main worlds and two bonus worlds, the game also features five shortcut worlds Golden Grove connects Yoshi's Island to Koopolis, Crystal Cave connects Gearshift Desert to Ghostly Grounds, Playtime Town connects Koopolis to Toad Fields, Big-Bitty Island connects Ghostly Grounds to Bowser's Kingdom, and Dream Peaks connects Toad Fields to Yoshi's Island. The ability to Power Squat Jump from Super Mario Bros. Due to popular demand, Wario and Waluigi have been added as playable characters, replacing the Yellow and Blue Toads.

Each character has their own unique abilities, and there are also certain areas in levels that can only be accessed by specific characters. The collectibles of this game are Power Stars. Vegetables also make a return, and can be picked up and thrown just like in Super Mario Bros. Also like Super Mario World, there is also an item reserve feature. The world maps are interconnected, like Super Mario World. While there still is a time limit on levels, there is not a score, at least in the main game. There are some returning power-ups and enemies from the older games, and new ones as well. While it is possible to beat any level in single player, the player has the ability to enable and disable CPU's in the pause menu on world maps. U, this game actually was made with multiplayer in mind, and players no longer bounce off each other's heads. It was also done to give players an incentive to gain extra lives for the harder levels. This was done in response to the criticism of lives being deemed 'useless' in the New Super Mario Bros. While this game does have lives, they always reset each time the player starts up the game. When a character is at one hit point, they transform into their small form. Each character has five hit points, although there are no items to permanently increase a character's health. Each level is also intended to have its own unique, creative design, much like Donkey Kong Country: Tropical Freeze. series, the graphics of this game resemble the Super Mario 3D World theme from Super Mario Maker 2. In response to the criticism of the 2.5D graphics of the New Super Mario Bros. The game is also notable for having its own art style. However, a few moves such as the Wall Jump and Ground Pound appear in this game. As stated above, this game is intended to be similar to the original platformers, and stray away from the New Super Mario Bros.

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