Explored a friend's room.

Beat your own high score.

Completed Chapter 4 of Episode 1

Cleared a stage with both "GOOD ratings won't break combos" and "Game Over with combo break" enabled.

Failed a stage.

Played a tutorial.

Completed Chapter 1 of Episode 1

Cleared a stage.

Engage in an Arcade match.

In the campaign, eliminate five enemies at once using the Barrage.

In the campaign, use the Droid to shock three enemies at once.

Unlock all trophies in Super Stardust Portable.

Arcade - Complete planet Taranis.