Kill 50 enemies while Berserking as a Barbarian.

Complete first Helicarrier skydive

Destroy the helicopter without defeating any other enemies

Collect all the Trophies

Defeat 20 enemies with C4

Defeat 4 enemies with the vehicle in 20 seconds

Defeat 5 enemies, each one taking damage from a handgun, long-gun, and melee

After being marooned, leave everyone alive until the Treasury

Just prior to City Chase, stand perfectly still for 30 seconds (stage demo fail)

Solve the first Trial in Scotland in 10 moves or less

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

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)