Here is the full list of all 18 Iron Grip: Warlord achievements.
Kill 1000 infantry units without dying in a single round (kills by your turrets and traps count too!)
Earn 5000 power from civilian casualties in a single round.
Empty an entire 250 round HMG magazine and hit an enemy with every shot. You can redeploy between firing. Vehicles don’t count!
Kill the Officer 5 times in a single round (kills by your turrets and traps count too!)
Earn 3000 power from civilian casualties in a single round.
Kill 500 infantry units without dying in a single round.
Achieve the top score in a multiplayer round with 3 or more human players (win or lose).
Own every available weapon and upgrade, and get at least one kill with every weapon, all in a single round (including the officer’s chaingun, but not dynamite or the suicide vest).
Take down 20 vehicles in a single round (kills by your turrets and traps count too!)
Rebuild the stronghold.
Take out 25 enemies with the knife in a single round.
Heal 200 points of your teammates’ health in a single round.
Kill 100 infantry units without dying in a single round.
Earn 1000 power from civilian casualties in a single round.
Collect jewelry worth 2000 points in a single round.
Own every purchasable weapon at the same time.
Own every purchasable weapon and upgrade at the same time.
Win a round without any stronghold taking damage.