FoxholeField Manual
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Field Manual Establishing supply line
Building

Bunkers

Fortifications that hold regions.

Bunkers are heavy fortifications that can turn a region into a hard problem for the enemy. They demand planning: defensive coverage, supply access, repair access, and maintenance all have to be designed in.

Foxhole trenches, defensive works, and fortified terrain.
FortificationsOfficial gameplay media

What this page teaches

  • What bunkers provide
  • Designing for coverage and supply
  • Why maintenance is non-negotiable
  • Avoiding overbuilding

What bunkers do

Bunkers are durable fortified structures that resist direct and indirect fire and anchor a defensive position. A good bunker network can hold a region against repeated assaults.

They are among the strongest defensive tools players can build.

Designing for coverage and supply

A bunker has to do more than be tough. It needs defensive coverage over the approaches, supply access so it can be stocked, and repair access so it can be maintained under pressure.

Builders should think about enemy vehicle angles, infantry approaches, and how defenders move and resupply inside it.

Why maintenance is non-negotiable

Bunkers decay without maintenance supplies. A grand bunker network that nobody maintains will weaken and fall on its own, without the enemy doing much at all.

Maintenance has to be planned from the moment construction starts.

Avoiding overbuilding

Bigger is not automatically better. Sprawling bunkers that exceed what players can garrison, supply, and maintain become liabilities.

  • Build to the size the defenders can actually hold
  • Ensure supply routes exist before expanding
  • Plan maintenance before adding more structure
  • A compact, maintained bunker beats a sprawling, decaying one

When to build bunkers

Build bunkers where a region must be held and a community will commit to garrisoning and maintaining them. Casual bunker construction usually produces decaying liabilities.

Coordinate with the players who will live in the bunker.

Related systems

Bunkers connect to Maintenance Supplies, Field Bases, and the Facilities section for the industry that supplies them.

Beginner mistake

Building a huge bunker network with no maintenance plan. It decays and falls without the enemy needing to assault it.

Field tip

Design coverage, supply, and maintenance before you design walls. A bunker is only as strong as its weakest support system.