Collect 10 or more hearts in one run.

Get killed by the first monster you encounter.

Defeat 99 monsters in one run.

Defeat 50 monsters in one run.

Reach the score 50 or higher without shooting anyone.

Set all nine highscores.

Die by passing through the negative Red bonus gate.

Shoot a monster off the right edge of the screen before you can see it.

Defeat a Yellow monster.

Set three highscores.

Set your first highscore.