Come to fisticuffs, but for good reason

Deal with a gift from a secret admirer

Finish A Study in Green Case

Find a way inside a secret room

Win a tournament of local interest

Become prey, to trick the hunter

Don't let the suspicious man out of your sight

Collect all the Trophies

Pull 20 enemies over when hanging from a ledge

Defeat 50 enemies from-the-hip or blind-firing

Defeat 10 enemies in 60 seconds with the China Lake Grenade Launcher

Perform 20 headshots from the rope

Complete the game in crushing mode