Complete Mesa Dorado on Insane.

Kill 5 enemies at once with explosive damage.

Complete Boomtown on Casual.

Complete Boomtown on Insane.

Kill 20 enemies without alerting them.

Complete any chapter after Arrowtree in Co-op on any difficulty.

Stay blended for 3 minutes during a Wanted session in Siena (Multiplayer).

Complete Arrowtree on Hardcore.

Chain together any 3 physical abilities in 5 seconds or less.

Unlock every Trophy in the game.

Complete all of the Quest Cards for a special badge.

Defeat Muntz's canine squadron in the skies above Paradise Falls.