Earn at least 1 star in 11 different Special Op missions.

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.

Complete "Exodus in America".

Kill Hermes and acquire his Boots

Rip apart 1 Olympus Sentry

Beat the game

Acquire the Bow of Apollo

Sever Gaia’s hand

Kill Hercules

Open the Gates of Tisiphone

Kill Poseidon