Get 100 kills as Recon
Kill yourself with your own explosives
Kill 1000 bad guys
Defuse a bomb in the last 3 seconds
Successfully complete all missions in Chapter 4
Unlock Chapter 4
Unlock Chapter 3
Unlock Chapter 5
Successfully complete all missions in Chapter 3
Kick Open 100 Doors
Blow Open 100 Doors
Use sniper support to kill 1000 enemies
Get 100 kills as Agent Fergie
Collect all 20 secret items
Rescue 50 hostages
Kill an enemy with an elevator
Get 100 kills as Breacher
Collect your first secret item
Resurrect another player 5 times in the same mission
Rescue 1000 hostages
Kill 50 Hostages
Kill 50 rats
3-Star all missions in Chapter 4
Successfully complete all missions in Chapter 1
3-Star all missions in Chapter 2
Stun 500 enemies
Use sniper support to kill 100 enemies
3-Star all missions in Chapter 5
3-Star all missions in Chapter 1
Kill 3 enemies by blowing up one barrel
Disarm 30 bombs
Kick Open 1000 Doors
Successfully complete all missions in Chapter 2
Rescue 50 Wounded Policemen
3-Star all missions in Chapter 3
Win one mission in Coop
Get 100 kills as Shield
Successfully complete all missions in Chapter 5
Unlock Chapter 2
Kill 50 bad guys
Kill 3 enemies with one breaching charge
Get 100 kills as Assaulter
Make 5 VIP Arrests
Use 5 extra lives in the same mission
Complete a level without taking any damage whatsoever
Get 3 stars in a mission
Set 20 enemies on fire
Get 100 kills as Off-duty Guy
Unlock Chapter 7
Complete all missions in chapter 7
3-Star all missions in Chapter 7