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