Wield the knife in single player or co-op mode.

Bad guys never share their food.

Kill a guard with the bag that drops from a lift.

Complete the Peggle Nights Adventure mode. You'll know everyone at the Peggle Institute!

Campaign: finish Force Multiplier

Campaign: finish No One Gets Left Behind

Campaign: finish Sangre del Toro

Campaign: finish High Value Target

Campaign: finish Heavy Metal

Campaign: finish Snowblind

Campaign: finish Crack the Sky

Campaign: finish Upriver

Campaign: finish Heart of Darkness