Defeat the Brawler in the Post Office in under 2 minutes

Kill 5 Longlegs in mid-jump

Killed 25 enemies while using peek and lean during the Campaign

Inspect almost every display case in the Cartagena Museum

Finish the game in Easy Mode

Defeat 30 enemies with the M9

Defeat 100 enemies with headshots

Defeat 30 enemies with the Mk-NDI

Defeat 30 enemies with the KAL 7

Defeat 30 enemies with the G-MAL

Make five enemies drop their grenade by shooting them

Defeat 20 enemies with hand-to-hand combat