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