The Iron Nest
A colossal walking artillery fortress built around two 800 mm guns.
FIELD MANUAL
Browse Iron Nest guides by system, including the turret, requisition, gunnery, maps, missions and medals.
VERIFICATION VERIFIED FOR GAME VERSION 1.0LAST UPDATED August 16, 2026
Iron Nest & stations
The layout, stations and movement systems inside the walking artillery fortress.
Requisition & supplies
The currency, station and Punchcards used to request ammunition, reconnaissance, movement and supplies.
Requisition Credits
How Requisition Credits are earned, displayed and spent during an Iron Nest operation.
Requisition Table
Where to find the Requisition Table and how to use Punchcards at the station.
Punchcards
Compare every ammunition and utility Punchcard, including its RC cost, function and use limit.
Ammunition
Compare the shells requested through ammunition Punchcards, including their cost and battlefield role.
Gunnery & ballistics
The firing cycle, map measurements and calculations required to put a shell on target.
The firing cycle
The essential workflow from receiving an order to confirming a hit.
Map measurements
How to read the tactical map, use its plotting tools, identify units and triangulate positions.
Map Icons
Identify Tactical Map symbols, combined target modifiers, enemy units and friendly units.
Ballistics Calculator
Calculate elevation and shell flight time from target distance and powder-charge selection.
Missions & medals
Mission-specific objectives, award conditions and known irregularities.
Medal guide
Exact Bronze, Silver and Gold medal requirements for every Iron Nest mission.
Missions
Browse verified objectives, targets, unlocks and spoiler-marked walkthroughs for each campaign operation.