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