Collect a power-up

Collect a shield

Defeat 50 enemies in one playthrough

Achieve a 3+ combo

Collide with a level obstacle

Beat Stage 1

Defeat 60 enemies in a single playthrough

Defeat 70 enemies in a single playthrough

Defeat 80 enemies in a single playthrough

Defeat 90 enemies in a single playthrough

Defeat 100 enemies in a single playthrough