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