Here is the full list of all 25 Iron Harvest achievements.
Play your first match in multiplayer.
Collect 1000 resource stockpiles.
Acquire 100000 Oil in total.
Construct 100 structures.
Build 1000 mechs.
Play 500 Matches or Missions in total.
Conquer 1000 resource points.
Win 100 Skirmish Matches.
Kill 100 enemy heroes.
Destroy 1000 enemy mechs.
Defeat 100 units with a Flamethrower squad.
Revive a hero 3 times in the same mission.
Pick up 1000 pieces of equipment.
Retreat with 1000 units in total.
Reinforce 5000 soldiers in total.
Acquire 100000 Iron in total.
Harvest 500 wrecks.
Destroy 50 enemy bunkers in total.
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.
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.