Collect all the serpent emblems.

Get through the aircraft carrier's bridge area without being noticed.

Complete Chapter 2 in Ada's campaign.

Defeat 500 J'avo.

Complete Chapter 4 in Chris' campaign.

Complete Chapter 3 in Chris' campaign.

Take down an enemy from 50 meters away with a headshot using the thermal scope.

Knock ten enemies off a high place.

Defeat Ustanak with only one Agent remaining.

Eliminate all players as Ustanak in less than a minute.

Help or rescue your partner ten times.

Complete Chapter 5 in Leon's campaign.

Complete Chapter 3 in Leon's campaign.