Multiplayer games. All you need is to successfully complete Tiny Wario's stage in Single Player mode. Next, play the indicated game to unlock the corresponding Multigame on the Multi screen:
Balloon: a game of Lifeline
Bomb: a game of Survival
Bungee Buddies: a game of Star Nose
Lifeline: a game of Bomb
Star Nose: a game of Darts
Minigames: you have to complete the corresponding task to unlock the Minigames from the list below on the map screen:
Balloon Trip: successfully complete Dr Crygor's workout stage.
Block Star: successfully complete Young Cricket's Microgames.
Can Shooter: successfully complete Ashley's Microgames.
Pyoro S: play all Microgames for every character.
Tortoise & Hare: successfully complete Orbulon's Microgames.
Tower Tennis: successfully complete Kat and Ana's Microgames.
Elephant buildings: complete Story mode under the indicated condition to unlock the correponding building:
All Mixed Up Building: complete the Tiny Wario.
Super Hard Building: get at least 30 points in the All Mixed Up Building.
Sudden Death Building: get at least 20 points in the Super Hard Building.
Thrilling: collect at least 10 points in the Sudden Death Building.