Gameplay
See also: Gameplay of Super Mario 64Super Mario 64 DS is a 3D platformer in which the player controls four different characters through numerous levels to collect 150 Power Stars. Each level is an enclosed world in which the player is free to wander in all directions and discover the environment without time limits. The worlds are inhabited with enemies that attack the characters as well as friendly creatures that provide assistance, offer information, or ask for help. The player gathers stars in each course; some stars only appear after completing certain tasks, often hinted at by the name of the course. These challenges include defeating a boss, solving puzzles, racing an opponent, and gathering coins. As the player collects stars, more areas of the castle become accessible.
Power-ups in Super Mario 64 DS take the form of special hats resembling those worn by Mario, Luigi, and Wario (voiced by Charles Martinet), and are available in some levels. Acquiring one such hat will change the player's character into the corresponding character. The hats fall off if the character is hit, but can be reacquired. Yoshi is able to start a level wearing the hat of any of the available characters. Another power-up item, the "Power Flower", provides each character with a different ability: Mario is able to float, similar to Super Mario World's balloon item; Luigi becomes invisible and transparent, similar to the invisible hat in the Nintendo 64 version; Wario becomes coated by metal, similar to the metal hat in the original version; and Yoshi is able to breathe fire. Each ability is necessary to complete specific areas in the game. Other items include the "Super Mushroom", which increases the character's size and strength, and the feather, which allows the character to fly in the same fashion as in Super Mario 64.
The game uses both of the system's screens to offer new options. The top screen displays the normal gameplay, while the bottom touchscreen can function as an overhead map and touch controls. The overhead map displays the current course the player traverses and displays item locations. The touch controls include virtual buttons, which rotate the top screen's camera angle, and directional character controls, which can operate with either the DS stylus or the player's thumb using the DS wrist strap. In addition to the single-player adventure, the game includes minigames and a multiplayer mode. Minigames are made accessible by catching rabbits in the main game. Each minigame use the touchscreen to play, and are based on different themes: racing, card games, puzzles, and so forth. The multiplayer mode uses the wireless Download Play option to allow two to four players compete against each other using Yoshi (voiced by Kazumi Totaka)—character hats appear in the stage allowing players to transform into either Mario, Luigi, or Wario.
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