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Most of the structures in Iron Harvest do have optional upgrades available. Activated from the action bar, these upgrades can enhance various aspects of the building's operation. By activating the upgrade ability, after some upgrade time, the building will convert into its upgraded version

Resource Buildings[edit | edit source]

There are the following resource buildings that can be upgraded, which increases the production rate of the building:

Production Buildings[edit | edit source]

There are the following production buildings that can be upgraded, which unlock more advanced units:

Fortifications[edit | edit source]

There are the following fortifications that can be upgraded. Upgrading a bunker changes its weapon configuration.

Gameplay
General Base Building Economy
Weapon
Capturing Buildings
Repair
Ability
Fog of War
Base
Contruction (Buildings)
Building Upgrade
Resource
Iron
Oil
Population
Iron Crate
Oil Crate
Weapon Crate
Recycling Wrecks
Combat Game Modes
Accuracy
Burst
Damage
Suppression
Piercing
Cover
Armor
Veterancy
Campaign
Skirmish
Challenge
Ranked Match
Victory Points
Handicap System
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