Today's Super Smash Bros 4 Pic of the Day introduced a mini game on the 3DS called Trophy Rush.

"Pic of the day. Here's a new mini-game that's quite a bit different from Coin Launcher in Super Smash Bros. Brawl. It's called Trophy Rush! The details"¦will be kept secret for now," wrote game director Masahiro Sakurai.

In the picture Pikachu is seen going through a timed .maze of sorts. There seems to be a points meter in the top right corner. See the picture here.

Yesterday's Pic of the Day revealed a Sonic the hedgehog character Assist Trophy of Eggrobo.

"Pic of the day. Here's Dr. Eggman's machine, Eggrobo. It'll appear as a guest character in Smash Run and attack you with laser beams," wrote game director Masahiro Sakurai in the Nintendo Miiverse.

The 3DS screenshot shows Eggrobo on a stand as an Assist Trophy. See the picture here.

The full character list for the game so far is: Mario, Luigi, Link, Samus, Kirby, Fox, Pikachu, Bowser, Donkey Kong, Pit, Olimar, Toon Link, Princess Peach, Sonic the Hedgehog, MegaMan, Wii Fit Trainer, Rosalina, Zelda, the Villager, King Dedede, Lucario, Little Mac, Diddy Kong, Zero Suit Samus, Greninja, Charizard, Shiek, Yoshi, Ike, Pac-Man, Mii Fighters, and Lady Palutena.

The game's release date for the 3DS was revealed as October 3, which was a push back from its original July launch. The Wii U version is still unconfirmed, but it is anticipated for the holiday season.