Iron

Iron is one of the many obtainable resources in the game. It is used to build many different Units. It is light gray in appearance, along with the Units built out of it.

Polygons
Iron can be obtained by shooting down Polygons of its type. Small polygons give 1 iron, medium polygons give 2 iron, and large polygons give 3 iron.

Fighting
You can also get iron by destroying iron Units on other players. This method works better on tanks with many units.

Alchemy
When a Wooden Alchemy Lab is placed, it converts other resources into iron. This is useful for obtaining large amounts of iron.

Supporting the Creator
When you click on any of the buttons to the right of the Menu, you can support the creator and gain extra materials when starting. Each service gives 3 extra starting resources, for a total of 18 starting resources.

Building
Iron can be used to build many different Units. Each unit costs a different amount of resources to build. The cost is as follows:


 * Basic Unit: 12 iron
 * Basic Turret: 16 iron
 * Spike: 16 iron
 * Sniper Turret: 20 iron
 * Twin Turret: 20 iron
 * Healing Unit: 28 iron
 * Octa Turret: 32 iron
 * Cannon Turret: 36 iron
 * Alchemy Lab: 40 iron

Alchemy
When an Alchemy Lab is placed, it converts any newly gained iron into a different resource. The formula is as follows:

Trivia

 * It is considered the second tier for the game.
 * Despite this, it is considerably strong.