The sequel to New Super Mario Bros, with a bigger focus on collecting coins than the older games.
The game plays similar to other 2D mario games, but as mentioned above, the focus on coins is bigger, unlike the previous games, the game counts how many coins you collected in the entire game in total, and when you get 1 million coins, an easter egg on the title screen is unlocked (a gold Mario statue), and a new power-up related to coins is gold Mario, where his blasts turns bricks into coins. Like with it's predecessors, it features a multiplayer mode, where you and the other player can play through the single player levels.
Coin Rush Mode Edit
Coin Rush Mode is a new feature in the game, the levels available are DLC (Downloadable content), there are some levels advailable by beating certain amount of worlds. The downloadable levels usually cost money.