Breathe some wind into your ocarina, my skyward princess!

Complete Wave 50

Spend 20,000 Credits

Kill a Two-Head with a Hazard

Survive five consecutive waves without spending any Credits

Find all 8 Protocol Data Drives

Obtain the Kinetic Hammer

Killed your first Biobot!

Finish New Game Plus Mode

Beat the game on Maximum Security difficulty

Uncover the mystery of Kallipolis

Guess it was time to cash out.