Complete all test chambers in the Hard-Light Surfaces co-op course

Get three Perfect Waves in a row in either a Air Strike or Air Revenge event.

Use a shortcut that a rival has triggered.

Win a Race event by less than a second.

In an event, wreck every rival with a Power Play.

Win a Race event without crashing.

Win your first Race event.

Trigger your first Level 1 Power Play.

Examine all the vitrified test chamber doors

Find a hidden portrait

Show that pit who's boss

Stand in a defective turret detector

Take GLaDOS' escape advice