Masterpieces

Masterpieces (名作トライアル, masterpiece trial) are free time-limited trial versions of classic Nintendo titles which the characters of Brawl have appeared in. The full versions can be purchased for the Virtual Console.

Games included are:
 * Super Mario Bros. (NES) - 1:00
 * Ice Climber (NES) - 0:40
 * The Legend of Zelda (NES) - 2:00
 * Kid Icarus (NES) - 1:30
 * Kirby's Adventure (NES) - 2:00
 * Super Metroid (SNES) - 3:00
 * Star Fox 64 (N64) - 3:00
 * Fire Emblem: Monshō no Nazo* (SNES) - 3:00
 * EarthBound/Mother 2* (SNES) - 5:00

* - Available in Japan, but not confirmed for other releases. This is presumably because the games were never released in English and the gameplay relies heavily on text.

Unlockables:
 * Donkey Kong (NES) - 0:30 - keep Brawl switched on for 10 hours
 * Super Mario Bros. 2 (NES) - 1:30 - win with Peach 5 times
 * Super Mario World (SNES) - 2:00 - play on the Yoshi's Island stage over 3 times
 * ???? (????) - ?:?? - use ???? [character] over 10 times in battle

Links
http://www.smashbros.com/en_us/gamemode/various/various23.html - Announcement