Beginner Guide
Learn the basic operator workflow, controls, tactical map, firing process and the systems you need before your first serious mission.
Fan-Made Field Manual & Community Wiki
Operate a colossal dieselpunk artillery fortress where every lever, shell, map measurement and firing solution is under your control. Learn the systems, missions and calculations needed to make every shot count.
What is IRON NEST?
IRON NEST: Heavy Turret Simulator is a first-person dieselpunk heavy-artillery simulator set in alternate-history 1920s Spain. You operate a colossal war machine, receive battlefield intelligence, measure targets on a tactical map and manually prepare devastating artillery fire.
The core loop combines tactile machine operation with tactical problem-solving. Players choose ammunition, calculate firing data, operate massive mechanisms, interpret reconnaissance and progress through story missions and replayable challenges.
Start Here
Learn the basic operator workflow, controls, tactical map, firing process and the systems you need before your first serious mission.
Learn how to turn target information into firing solutions using range, bearing, powder charges, elevation and the ballistic calculator.
Follow mission walkthroughs, locate objectives, understand briefings and solve the campaign situations that most often stop new Operators.
Understand ammunition roles, unlockable abilities and how to choose the right shell and battlefield support for each tactical problem.
From plotting your first target to mastering firing solutions, mission objectives and specialized ammunition, use our field manual to become a more effective Operator.