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Kaiserpunkis a game of seemingly-endless production chains. To produce guns for your armies, you need steel, which requires iron and coal. Those armies need rations and ammunition, which mean vegetables, bread, brass, and cellulose, all of which have their own requirements. Eventually, the assembly line becomes second nature, but until that happens it can be a real headache.
We’ve indexed all the resources in the game below, so that you can easily refer to it as you play and figure out what you need to carry out your dreams of world conquest.

Tier 1 Resources
Tier 1 resources have agrey background for their icon, and are typically produced by Laborers.
All buildings

Supplying Tier 1 and 2 Infantry
Supplying Infantry and Fighter units.

Supplying Artillery, Tank, and Naval units.
Recruiting and reinforcing Tier 1 Infantry.

Recruiting and reinforcing Tier 1 Artillery.
Recruiting and reinforcing Tier 1 Tanks.
Recruiting and reinforcing Tier 1 Fleets.
Recruiting and reinforcing Tier 1 Fighters.
Cloth, Lumber
Recruiting and reinforcing Tier 1 Bombers
You also get resources daily from each region under your control on the World Map, and can increase their output by building improvements.
Tier 2 Resources
Tier 2 resourceshave a green background on their icon, and are typically produced by Manufacturers.
Tier 2+ buildings
Electricity, supplying vehicle units (land, sea, and air).
Recruiting and reinforcing Tier 2 Infantry.
Recruiting and reinforcing Tier 2 Artillery.
Recruiting and reinforcing Tier 2 Tanks.
Recruiting and reinforcing Tier 2 Fleets.
Recruiting and reinforcing Tier 2 Fighters.
Recruiting and reinforcing Tier 2 Bombers.
Tier 3 Resources
Tier 3 resourceshave a blue background on their icon, and are typically produced by Technicians.
Tier 3+ buildings
Supplying Tier 3 and 4 Infantry.
Supplying Tier 3 and 4 Fighters and Bombers.
Recruiting and reinforcing Tier 3 Infantry.
Recruiting and reinforcing Tier 3 Artillery.
Recruiting and reinforcing Tier 3 Tanks.
Recruiting and reinforcing Tier 3 Fleets.
Recruiting and reinforcing Tier 3 Fighters.
Recruiting and reinforcing Tier 3 Bombers.
Tier 4 Resources
Tier 4 resourceshave a purple background on their icon, and are typically produced by Specialists.
Tier 4 buildings
Treating diseases in Clinics and Hospitals.
Recrutiing and reinforcing Tier 4 Infantry.
Recrutiing and reinforcing Tier 4 Artillery.
Recrutiing and reinforcing Tier 4 Tanks.
Recrutiing and reinforcing Tier 4 Fleets.
Recrutiing and reinforcing Tier 4 Fighters.
Recrutiing and reinforcing Tier 4 Bombers.