Unlock Inifinite 3-D Mode with Mario:
3-D mode is enabled by getting Mario's card by successfully completing the 'Pit Of 100 Trials' in Flopside twice.

Unlock Hidden Mini-Games:
Enter 3-D mode when you are in the coffee shop in Flipside B1. Then use the gold pipe to reach an arcade where there are three mini-games that can be played with the Wii-mote where you win prizes for top scores. If you have a Gold Card a fourth game can be unlocked.

Get the following Pixl to unlock the corresponding special ability.

Dashell:
Run fast.

Cudge:
Use a hammer.

Thudley:
Shake the ground.

Dottie:
Shrink yourself.

Boomer:
Blow up objects.

Thoreau:
Pick up objects then toss them.

Carrie:
Platform that can get you across dangerous areas.

Slim:
Turn sideways and squeeze through very narrow spaces.

Piccolo:
Play special music that disintegrates certain objects.

Barry:
Shield yourself from enemy attacks and also counterattack.

Fleep:
Objects that are stuck in the wrong dimension can be flipped.

Tippi:
Scan objects using your Wii-mote sensor to learn about them and reveal hidden things.

Complete the following tasks to unlock the corresponding feature in the game.

Unlock Flopside's Pit of 100 Trials:
Successfully beat Flipside's Pit of 100 Trials.

Unlock Flipside's Pit of 100 Trials:
Successfully beat Chapter 1 and unlock the outskirt in Flipside.

Unlock Extra Mini Game in the Flipside's Basement:
Get the Golden Card.

Unlock Bleu Hair for Peach:
When you have successfully beaten the game talk to Bleu in Flopside.

Unlock Hammer Whacker:
At Flopside go to the back room of 'The OVerthere' and get the Golden Card which is inside the treasure chest.

To be able to play in 3D all the time with Mario you must beat Flopside Pit of 100 Trails twice and get Mario's Card.

At the Coffee shop in Flipside B1 go into 3-D mode and there is a gold pipe that you can access that will take you to an arcade where you can play three different arcade games using different functions of the Wii remote. If you have a Gold Card a fourth game can be unlocked. To win the prizes in the games you must get the top scores.