Collect 3 G-Virus Samples in one match.

Kill 50 enemies by headshots.

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

Defeat 70 enemies with the SAS - 12

Complete story mission 5.

Kill 30 enemies by using the grappling hook and making them fall to their death.

Kill 50 enemies using melee attacks.

Buy your first weapon.

Play an offline-only game. (2P +)

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

Complete story mission 3.

Collect 100 resource items.

Drive 30 different vehicles.