Campaign: demolish 1 house

Campaign: destroy 100 objects

Campaign: finish Heart of Darkness

Campaign: destroy 1 satellite uplink

Campaign: finish Cold War

Finish the game in Easy Mode

Defeat 50 enemies with the Dragon Sniper

Defeat 20 enemies with a single punch, after softening them up with gunfire

Defeat 70 enemies with the FAL

Find ten treasures

Defeat ten enemies in a row with hand-to-hand combat

Defeat 50 enemies with hand-to-hand combat

Defeat three enemies with one explosion