Masterpiece

Masterpieces in Super Smash Bros. Brawl are trial versions of Nintendo games.

Donkey Kong
In Donkey Kong, the player can only play the 75m stage.
 * Trial Time Length: 0:30

Ice Climber

 * Trial Time Length: 0:40

The Legend of Zelda: Ocarina of Time
The Legend of Zelda: Ocarina of Time is a demo with two different save files which show different aspects of the actual game. It is unlocked by playing as Toon Link 20 times.

Save File 1
If the first save file is chosen, the player will be Young Link and start in his tree house. Outside it, Young Link can walk around Kokiri Forest and talk to the other Kokiris. There are two other areas of interest to visit before the five minute time limit is up as well - these are the Deku Tree and The Lost Woods.

Save File 2
In this version, the player will play as normal Link. The player have a much wider world to explore this time, and will start in the Temple of Time.