Kill 30 enemies while they're falling through the air.

Complete story mission 4.

40 AR9 Valkyrie kills in single player campaign

Kill 5 enemies with the melee attack while they're suspended with the grappling hook.

Kill 750 enemies.

Drive 30 different vehicles.

Collect 100 resource items.

Cleared Stage 5 in Arcade mode.

Performed a roll in Arcade mode.

Stand on foot at the highest point of Panau.

Complete story mission 2.

Cause chaos for the first time.