Get an unbroken 10-headshot streak.

Researched 5 new dishes

First time bringing Dave back from the brink of death.

Enhanced 5 dishes.

Fixed the Sushi Restaurant.

Completed the gun tutorial.

Complete 'Zero Bark Thirty'.

Kill 20+ enemies with 1 explosive.

Complete Dead Ahead on any difficulty.

Kill a Suicider with his own explosives.

Change your characters appearance, such as with a hat or costume.

Recruit an Operative in Campaign Mode after completing 'Reporting For Duty'

Drop from a height of at least 16 feet (5 meters).