It is like the Mario Party Series. Except it has Nickelodeon characters.
Sandy Cheeks [Wii only]
Mr. Krabs [3ds only, unlockable]
Danny Phantom universe:
Jack Fenton [3ds only]
Vlad Plasmius [Unlockable]
Fairly OddParents universe:
Timmy Turner [with Cosmo, Wanda and Poof]
Vicky [3ds only, unlockable]
AJ [[3ds only]
Chester [3ds only]
Trixie [Unlockable, 3ds only]
Tootie [Unlockable, 3ds only]]
Jimmy Neutron Universe:
Beautiful Gorgeous [Unlockable]
Tak & the Power of Juju universe:
Lok [Wii & 3DS]
Jeera [3DS only]
Traloc [wii only, Unlockable]
Invader Zim Universe:
Gir [Wii only, unlockable]
T.U.F.F. Puppy Universe:
Planet Sheen Universe:
Doppy [Unlockables 3ds only]
Fanboy and Chum Chum:
Yo [Unlockable 3ds only]
Boog [Unlockable 3ds only]
Oz [Unlockable 3ds only]
Kyle [Unlockable 3ds only]
Mii [both Wii & 3DS]
Uniqua [Wii and 3DS, unlockable]
Jenny/XJ9 [Wii only, unlockable]
Blu [from Rio, Wii only, unlockable]
de Blob [from De Blob, Wii only, unlockable]
Not counting the Miis, there are 21 characters in the Wii version and 19 in the 3DS version.
Boards & Board Rules
Juju Temple [Tak universe, Wii only] Rules: to get trophies, trade 20 energy tokens to Vendor Juju to get a trophy. After that, she will move somewhere else.
Goofy Boardwalk [Spongebob Universe] Rules: Reach Goofy Goober at the end of the course to get a trophy everytime you reach him.
Walker's Haunted House [Danny Phantom Universe, Wii only] Rules: Reach Walker in his room, and he'll charge you 10 energy tokens for a trophy. Then the board layout will change!
Ghost Zone [Danny Phantom Universe, 3DS only] Rules: Reach The Box Ghost and he'll trade 12 coins for a trophy, then he'll move somewhere else.
Jorgen's Fairly Odd Express [Fairly odd Parents, Wii only] Rules: Reach Jorgen Von Strangle at the train to get a trophy from him for 15 energy tokens. But watch out! Foop can change the cars around and confuse you!
Retroland Pinball [Jimmy Neutron universe]
Zim's Ship [Invader Zim Universe, 3DS only]
Party Planet [special Board, wii only, unlockable] Rules: Same as Bowser's Warped Orbit from Mario Party 8.
Global Tycoon Desk [Special Board, wii and 3DS, unlockable] Rules: A mix of Globe Trot from Wii Party, and Koopa's Tycoon Town from Mario Party 8.
Board Game Island [from Wii Party, Wii only] Rules: Just reach the top to get a free trophy.
Rio's Carnaval Party [Wii only, unlockable] Reach Jewel at the front, and she'll give you a free trophy! But watch out for Nigel, as he'll try to wreck things up!
Blue Space: get 3 energy tokens
Red Space: lose 3 energy tokens
Green Space: Triggers an event! Random each board.
Lucky space: teleports you to somewhere lucky!
Krabs Space: Mr. Krabs will trigger an event that will help you! After that, all Krabs spaces become Dora Spaces.
Dora Space: Dora will do an event that only brings misfortune! After that, all Dora spaces become Krabs Spaces.