Elephant Buildings - The buildings are unlocked in a chain after finishing the story mode.

All Mixed Up Building (random microgames) Finish the last stage (Tiny Wario)

Sudden Death Building (one life) Get 20 or more points on the Super Hard Building
Super Hard Building (very fast) Get 30 or more points on the Mixed Up Building

Thrilling (no Form cards) Get 10 or more points on the Sudden Death Building

Gameplay modes

Movie Theatre mode Play Wario's stage
Multiplayer Mode Finish the Single-player game

Sound Studio Finish at least 20 games in succession on Trilling mode

Temple Of Form Play at least one Microgame

Multiplayer Modes - Unlock Multiplayer mode by beating Tiny Wario's stage in Single Player, then go to the Main Menu and select Multi.

Balloon Play a game of Lifeline
Bomb Play a game of Survival
Bungee Buddies Play a game of Star Nose

Darts Unlock Multiplayer (Beat Tiny Wario's Stage)

Lifeline Play a game of Bomb

Star Nose Play a game of Darts
Survival Unlock Multiplayer (Beat Tiny Wario's Stage)

Minigame - There are six Minigames to unlock, which will appear on the left side of the map screen.

Balloon Trip Finish Dr Crygor's workout stage
Block Star Finish Young Cricket's Microgames

Can Shooter Finish Ashley's Microgames

Pyoro S Play every microgame from every character

Tortoise & Hare Finish Orbulon's Microgames
Tower Tennis Finish Kat & Ana's Microgames