New Super Mario Bros. 2 is a side-scrolling platformer game for the Nintendo 3DS, and it's a part of the venerable Super Mario series. Released in 2012, the game follows Mario's adventure to rescue Princess Peach from Bowser. With a strong emphasis on coin-collecting, it features new power-ups like the Gold Flower, which turns Mario into Gold Mario, allowing him to shoot fireballs that turn enemies and blocks into coins. The game offers both single-player and co-op modes, where players can team up as Mario and Luigi. It's known for its accessible gameplay, colorful levels, traditional Mario power-ups, and classic enemies.