The Super Mario Bros. 2D Collection is a game collection set for the Nintendo 3DS.
The Arcade Set
Donkey Kong has kidnapped Mario's girlfriend Pauline, and taken her to the top of a construction site. Mario must climb to the top of this of this construction site and rescue Pauline from the giant ape.
In this title, Mario and Luigi are plumbers working in a New York sewer system. While underground, the pair must fight through wave after wave of enemies, so they can receive their cash, Coins, by picking it after getting out of pipes.
The Legacy Duo
Super Mario Bros.
One day, King Bowser Koopa, the great and powerful leader of the militaristic Koopa Troop, invades the peaceful Mushroom Kingdom. He and his Koopa Troop are jealous of the beautiful kingdom, and King Bowser decides to take it for himself. To do this, Bowser casts an evil spell upon the kingdom and transforms all of its inhabitants into blocks, weeds, and other odd objects. It is foretold that only the Mushroom King's daughter Princess Toadstool (Princess Peach) can undo the spell. Knowing this, Bowser immediately kidnaps her. Fortunately, the heroic Mario Bros. learns about the Mushroom Kingdom's plight and they race to its rescue.
Super Mario Bros. 2: The Lost Levels
King Bowser Koopa has abducted Princess Toadstool and is holding her captive in one of his castles...again. Either Mario or Luigi must navigate through the Mushroom Kingdom, overcome Bowser's henchmen, and rescue the Princess...again.
The Sequel Pair
Super Mario Bros. 2 U.S.A.
In the game, Mario, Luigi, Princess Toadstool and Toad travel through the world of Subcon, the world of dreams, which is ruled by the giant frog Wart. They enter Subcon through a cave they find while on a picnic trip. They were called by the Subcons, who were captured by Wart. Wart had captured the Dream Machine, which controls all dreams. On the adventure, our heroes fight Wart's army, the 8 bits, and his generals, Birdo, Mouser, Clawgrip, Fry Guy, Tryclyde, and Robirdo.
Super Mario Bros. 3
Bowser has returned to the Mushroom Kingdom and now with the help of his seven Koopalings, he tries to conquer it again. He sends his Koopalings into seven parts of the Mushroom World to steal the Mushroom Kings' magic wands, and with the wands, transform the Kings into various creatures. Princess Toadstool sent Mario and Luigi to go and stop the Koopalings and turn the kings back into their normal form. At the end of each world, Mario and Luigi fought one of the Koopalings, and after the match was over, the brothers took the wand from the Koopaling and turned the king back to normal. While the brothers are out in their adventure, Bowser kidnaps Princess Toadstool and takes her to his lair in Dark Land. The brothers go to Dark Land and fight Bowser. After defeating Bowser, they save Princess Toadstool and they all return to the Mushroom Kingdom.
The Super Mario World Collection
Super Mario World
Mario and Princess Toadstool were going to Dinosaur Land by Hot Air Balloon. When Mario and Toadstool arrived Luigi was there waiting for them with a Cape. Luigi gave Mario a Feather and Mario turned into Cape Mario. Mario and Luigi flew around Dinosaur Land with their capes.
Meanwhile, Bowser and his Koopalings trapped Yoshi's friends in eggs, and stole Princess Toadstool. When Mario and Luigi returned they found the princess missing. Mario and Luigi set out to save the princess with the help of the Yoshis and Dolphins.
Super Mario World 2: Yoshi's Island
One night, The Stork was carrying two babies across the sky. These two babies were Baby Mario and Baby Luigi, the future heroes of the Mushroom Kingdom. Suddenly, a strange figure, Kamek the Magikoopa, flew by on his broomstick and hit the stork. He snatched Baby Luigi, but the other baby fell down towards the ocean. When Kamek discovered his mistake, he sent his Toadies to find and capture the missing baby.
Meanwhile, the other baby, Baby Mario, had fallen on Yoshi's Island on top of a Yoshi. Along with the baby fell a map, but the Yoshi could not make sense of it. He consulted his other Yoshi friends and told him what had happened. After some talking, the green Yoshi found out what the baby really wanted – he wanted to save his brother from Kamek. So the Yoshis decided to help the baby and they set out on an adventure to rescue Baby Luigi from Kamek and his Toadies.
The New Generation
New Super Mario Bros.
Mario and Princess Peach were walking together around Peach's Castle, when a mysterious thundercloud (possibly Lakithunder) appeared, and struck the castle with lightning. Mario went to investigate, and while he was there, Bowser Jr. sneaked up behind a bush and kidnapped Peach. Mario followed, and Bowser Jr. dragged her behind him through eight different worlds.
New Super Mario Bros. Wii
It is Princess Peach's birthday and as Mario and his friends are celebrating. However, a huge cake reels in. Immediately, Bowser Jr. and the Koopalings pop out and throw the giant cake on top of Peach, trapping her. From there, the villains load her onto their ship while Mario, Luigi, Blue Toad and Yellow Toad follow closely. The Toads from the castle soon use a cannon to blast away the Propeller and Penguin suit towards Mario and the others so they can have access to them.
The Portable Series
Super Mario Land
Once upon a time, there was a peaceful world called Sarasaland. In this world there were 4 kingdoms named Birabuto, Muda, Easton and Chai. One day, the skies of Sarasaland were suddenly covered by a huge black cloud. From a crack in this cloud, the unknown space monster Tatanga emerged to try to conquer Sarasaland. Tatanga hypnotized the people of all the kingdoms so that he could control them in any way he liked. In this way he took over Sarasaland. Now, he wants to marry Princess Daisy of Sarasaland and make her his queen. Mario came to know of these events, and he has started on a journey to the Chai Kingdom where Princess Daisy is held captive, in order to restore peace to Sarasaland.
Super Mario Land 2: 6 Golden Coins
Mario returns to his estate after rescuing Princess Daisy only to find that it has been taken over by an old enemy, Wario while he was in Sarasaland. The six golden Coins (Mario's keys to the castle) were spread throughout Mario Land, and the game revolves around Mario traveling across his estate to collect the coins, then defeating Wario and regaining his castle.