Here is the full list of all 25 Iron Harvest achievements.
Retreat with 1000 units in total.
Defeat 100 units with a Flamethrower squad.
Collect 1000 resource stockpiles.
Destroy 1000 enemy mechs.
Acquire 100000 Oil in total.
Destroy 50 enemy bunkers in total.
Revive a hero 3 times in the same mission.
Construct 100 structures.
Play your first match in multiplayer.
Win a match by earning enough Victory Points.
Win a match with a Victory Point outcome of 500:0.
Acquire 100000 Iron in total.
Win a match by destroying all enemy HQs.
Win a match without ever retreating or reinforcing.
Build a Tur, Gulyay-Gorod, or Kaiser.
Revive a hero.
Attain elite rank with one of your units.
Harvest 500 wrecks.
Pick up 1000 pieces of equipment.
Reinforce 5000 soldiers in total.
Build 1000 mechs.
Play 500 Matches or Missions in total.
Conquer 1000 resource points.
Kill 100 enemy heroes.
Win 100 Skirmish Matches.