Help train the local militia.

Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.

Find Rojas in the Favelas.

Defeat 20 enemies with hand-to-hand combat

Defeat 30 enemies with the Mk-NDI

Defeat 30 enemies with the PAK-80

Find 20 treasures

Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)

Defeat 30 enemies with the M9

Find one treasure

Make five enemies drop their grenade by shooting them