Overview

Announced during E3 2009, New Super Mario Bros. Wii is a platforming game set in the Mushroom Kingdom. Visually, the title draws many similarities to the 2006 DS title New Super Mario Bros. with similar visual design, settings, and scores.
The story goes that Mario and Luigi are at Peach's castle during a celebration, a suspicious looking cake comes in for the cake sliding. It gets thrown into the room, right on top of the Princess, and wanders out of the room with the princess trapped inside. The Koopalings & Bowser Jr. kidnap her, leaving Mario & Luigi, accompanied by two Toads named Yvan and Wolley, to save her.
The game has sold 29.79 million units worldwide, as of March 31 2016.
Gameplay

New Super Mario Bros. Wii is played as a 2D platformer, but features graphics in a 3D engine (see 2.5D). The game can be played cooperatively or competitively, with up to four players joining the game on-the-fly. In the story mode, players progress through themed worlds (ice world, desert world, etc.) by completing the levels, ghost houses, and castles within.
If a player loses all lives in single player mode, the player loses any unsaved progress and must repeat the levels. Opportunities to save are typically presented after mid and end of world castles. If a player dies during a multiplayer game, he or she will be resurrected and return to the screen floating in a bubble, which others can burst to bring the player back into play.
Players must restart a level (from the beginning or the midpoint flag) if all players are simultaneously dead or in a bubble. A player that loses all lives in multiplayer mode is given a "continue" and five additional lives when the game returns to the "world view". There is no penalty to this, apart from earning bragging rights for beating the game with a lower number of continues. If all players run out of lives on the same level, the players are returned to the last save point and each receives a continue.

Players can also choose to enter a bubble by pressing the A button at any time. This strategy can enable younger or lesser players to get through difficult parts of the game when accompanying more experienced or better players.
At the end of levels in competitive mode, players are scored and ranked depending on a number of factors, including lives remaining.
Like in New Super Mario Bros., players have an extended move-set that includes the wall kick and ground pound. They can also physically interact with other players such as jumping on their heads or carrying and throwing them around. As well as this, Yoshis, who are able to eat enemies and other players, feature in the game. Early hands-on impressions report the inclusion of a number of Koopa Kids, who have not appeared in a true Mario title since Super Mario World.
Power-Ups
Note: For ease of writing, all power-ups refer to Mario. Obviously, any character can use any power-up.
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Super Guide

The Super Guide is a new feature designed to help less-skilled players bypass sections of the game that are presenting them with a great deal of difficulty. Players that die eight times on a single stage will be given the option to activate the Super Guide by hitting a special block that spawns at the beginning of the level.
By hitting this block, the player's character Mario is replaced with a computer-controlled Luigi, who will proceed through the stage via a prerecorded playthrough by a Nintendo developer. The Super Guide remains in effect only for the stage it was activated on, and the player can take control of Luigi to attempt completing the stage at any time.
Worlds

In the game there are 9 worlds. Each world has a Koopaling Tower, a Koopaling Castle, three Airship battles with Bowser Jr., & the game's 2-part final battle at Bowser's Castle against the Koopa King himself, Bowser! Once you beat the game, you'll access the 9th world with 8 more levels to play making the game's level grand total to 77.
World 9 levels are opened by obtaining all star coins in the world corresponding with the 9-level (to open 9-1, you must collect all coins in world 1). The 9th world has coins to be collected as well.
Mini-games

During your adventure, you get to play mini-games in Mushroom Houses. The 1-Up Mushroom House lets you play 1-Up Blast where you use the cannon to earn 1-Ups based on the number of balloons popped.
The Mushroom House lets you play Power-Up Panels where you can win extra Power-Ups for later worlds and finally, there's Enemy Bashing. If you bump in an enemy, then the mini-game begins. To win, you have to get 8 Toad Balloons. If you do, then Toad will appear and he'll give you 3 Mushrooms for later.
Bosses
- Wendy O. Koopa
- Iggy Koopa
- Bowser Jr.
- Bowser
- Kamek
- Morton Koopa Jr.
- Roy Koopa
- Lemmy Koopa
- Larry Koopa
- Ludwig von Koopa
Scoring
Item or effect | Point Value |
---|---|
Power-Ups | 1,000 |
Defeating enemies while invincible | Up to 16,400 & 1-Ups |
Star Coin | 4,000 |
Time Bonus | Remaining Time x 50 |
Checkpoint | 2,000 |
Coin | 100 |
Goal Flag | Up to 1-Up |
Brick Block | 10 |
Defeated Enemies | Varies |
POW Block Defeated Enemies | Up to 16,400 & 1-Ups |
Fireworks | 4,000 x the number of fireworks that went off |