Defeat enemies with the vehicle, long-gun, melee, and grenade, in that order, in 20 seconds

Defeat 4 enemies with one C4 detonation

Plant multiple C4 charges on the APC at the same time and destroy it with one massive detonation

Stealth take-down 10 armored enemies with melee by first removing their helmets without being detected

Defeat 20 enemies blind-firing from cover

Drive away in the jeep with Elena without killing any enemies

Defeat enemies with a stealth attack, melee attack, headshot, and explosives, in that order, in 15 seconds

Defeat 100 enemies in a row without dying in combat

Make 10 enemies drop their grenades

Defeat enemies with a pistol, machine gun, and grenade, in that order, in 15 seconds

Defeat 10 enemies in a row, alternating gunplay and hand-to-hand

Complete the game in hard mode