Get one star in every Single Mission.

Get two stars in every Single Mission.

Fully complete campaign "A Hard Day's Work".

Fully complete campaign "Drug Bust".

Fully complete campaign "The Cell".

Fully complete campaign "Terror at Sea".

Fully complete campaign "Suits and Ski-Masks".

Win a campaign in Iron Man Mode.

Complete 150 missions.

Kill 1000 enemies.

Arrest 100 enemies.

Defuse 100 bombs.

Get three stars in all Single Missions.

Breach 400 doors.

Fire a total of 10000 rounds.

Walk total 10000 meters.

Complete 10 missions.

Get 13 stars.

Get 50 stars.

Save your first hostage.

Defuse your first bomb.

Handcuff your first bad guy.

Level-up a trooper to maximum level.

Get 30 Perfect Plan Medals.

Have a squad of fully leveled up troopers.

Level-up your squad to maximum level.

Unlock all equipment / weapons.

Unlock the Assaulter class.

Unlock the Breacher class.

Unlock the Shield Class.

Unlock all playable classes.

Have your entire team killed at roughly the same time after un-pausing the game, within seconds of mission start. You need at least 4 troopers in the mission.

Have a shield unit kill three enemies without moving.

Get 30 One Man Army Medals.

Defuse a bomb with less then 1 second left.

Complete a mission arresting 6 or more bad guys and without killing any.

Hit 5 enemies with the same Flashbang.

Kill 10 bad guys within 5 seconds, without letting them fire a shot.

Get 30 No Pause Medals.

Get your first Perfect Plan Medal.

Get your first One Man Army Medal.

Get your first No Pause Medal.

Get a 3 star result as an "improved result" on a mission.