Bowser's Warp Orbit - Successfully complete Star Battle mode with any character to unlock Bowser's Warp Orbit.

Crown Showdown mini-game - Unlock one 4 player, 1 vs. 3, 2 vs. 2, and Duel mini-game to unlock the Crown Showdown mini-game.

Flip Out Frenzy mini-game - Unlock one 4 player mini-game to unlock the Flip Out Frenzy mini-game.

Play as Blooper and Hammer Bro. - Successfully complete Star Battle mode with any character to unlock Blooper or Hammer Bro. Successfully complete Star Battle mode a second time with a different character to unlock the other character you did not unlock the first time through.

Mini-game Wagon - Successfully complete Star Battle mode to unlock the Mini-game Wagon, which allows you to buy mini-games.

Test For The Best mini-game - Unlock Test For The Best mode in the Fun Bazaar to unlock the Test For The Best mini-game.

Tic Tac Drop mini-game - Unlock one Duel mini-game to unlock the Tic Tac Drop mini-game.

Fun Bazaar bonuses - Trade the indicated number of Carnival Cards at the Fun Bazaar to unlock the corresponding bonus:

Any mini-game: 50 Carnival Cards at the Fun Bazaar's Mini-game Wagon

Board Sounds: 50 Carnival Cards
Board Related Carnival Figures: 30 Carnival Cards each

Carnival Figures: Buy at least one Carnival Figure
Carnival Parade: Buy at least one Carnival Figure
Character Voices: 50 Carnival Cards
Chomping Frenzy: 50 Carnival Cards
Credit Roll: 100 Carnival Cards

Heckling Sounds: 50 Carnival Cards

Mini-game Sounds: 50 Carnival Cards
Mini-game Related Carnival Figures: 30 Carnival Cards each
Moped Mayhem: 50 Carnival Cards

Puzzle Pillars: 50 Carnival Cards

Staff Record: 50 Carnival Cards
Star Carnival Related Carnival Figures: 30 Carnival Cards each

Table Menace: 50 Carnival Cards
Test For The Best: 50 Carnival Cards

Very Hard Difficulty: 50 Carnival Cards

Easy dart shooting - As the target you are aiming for gets to about the 9 o'clock position, or slightly after, throw the dart. If timed perfectly, you will hit what you are aiming for.

Easy ping pong - Serve the ball, then hit it at the last possible moment. If done correctly, this will result in an ace.

Control introduction screen - Select Mario