Here is the full list of all 51 Door Kickers: Action Squad achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Use sniper support to kill 1000 enemies
Kill 50 Hostages
Use 5 extra lives in the same mission
Resurrect another player 5 times in the same mission
Disarm 30 bombs
Kill 3 enemies by blowing up one barrel
Successfully complete all missions in Chapter 5
3-Star all missions in Chapter 5
Collect all 20 secret items
Make 5 VIP Arrests
Kill yourself with your own explosives
Unlock Chapter 5
Successfully complete all missions in Chapter 4
3-Star all missions in Chapter 4
Kick Open 1000 Doors
Rescue 1000 hostages
Stun 500 enemies
Use sniper support to kill 100 enemies
Get 100 kills as Recon
Get 100 kills as Agent Fergie
Get 100 kills as Shield
Kill an enemy with an elevator
Get 100 kills as Assaulter
Rescue 50 Wounded Policemen
Unlock Chapter 4
3-Star all missions in Chapter 3
Successfully complete all missions in Chapter 3
Set 20 enemies on fire
Unlock Chapter 3
3-Star all missions in Chapter 2
Successfully complete all missions in Chapter 2
Blow Open 100 Doors
Kill 3 enemies with one breaching charge
Unlock Chapter 2
Kill 1000 bad guys
Successfully complete all missions in Chapter 1
3-Star all missions in Chapter 1
Kick Open 100 Doors
Rescue 50 hostages
Collect your first secret item
Get 100 kills as Breacher
Kill 50 bad guys
Get 3 stars in a mission
Win one mission in Coop
Complete a level without taking any damage whatsoever