IRON NESTHeavy Turret Simulator
The operator’s hub for IRON NEST: Heavy Turret Simulator — a dieselpunk first-person artillery sim set in alternate 1920s Spain. Calculate elevation, compare 30 shell types, master every mission, and chase gold medals across all 15 campaign regions.
Latest dispatches from the nest
Patch 1.0 (1558): Elevation Fixes & Cat Glitch Resolved
Iron Nest crosses 200,000 players as Patch 1558 fixes crucial elevation lever mechanics and save issues.
Read guide
Gold Medal Requirements: Advanced Tactics for High Scores
Complete gold medal guide — every mission's medal requirements, tips for achieving them and unlock rewards.
Read guide
Full Campaign Walkthrough: All 15 Regions & Missions
Step-by-step campaign guide covering all 15 regions, mission objectives and story choices.
Read guideYour IRON NEST journey
New to IRON NEST? Follow these steps to get started with your turret operator training
Beginner Firing Guide
Master the 6-step fire mission loop from teleprinter orders to recon corrections. Trust the procedure, not your gut.
Read moreBallistic Calculator
Learn how to convert range and bearing into elevation angles and powder charges — the most important instrument in IRON NEST.
Read moreAll Ammo Types
From AP bunker-busters to phosgene gas — know which shell solves which problem and when to use HCHE over HE.
Read moreTactical Map Mastery
Plot coordinates, triangulate with spotters, and avoid the map mistakes that cause confident misses downstream.
Read moreChallenge Strategies
Score higher with efficiency over perfection — learn FDC pause timing, batch targeting, and leaderboard discipline.
Read moreGuides & tools
Guides
Master the 6-step fire mission loop, calibration procedures, and operator strategies for heavy-artillery simulation.
Ammo Types
30 unlockable shell types from AP bunker-busters to phosgene gas. Each shell has unique blast radius, penetration, and moral weight.
Ballistic Calculator
The most important instrument in IRON NEST. Input range and bearing to get elevation angles and powder charges.
Turret Controls
Hand-operated traverse, elevation handwheels, and a 5-step loading sequence — no auto-aim, no shortcuts.
Tactical Map
Plot coordinates on the 20×10 grid, use red/yellow/white pencils, draft bearing lines, and triangulate with spotters.
Challenge Modes
8 challenge modes with leaderboard scoring. Master FDC pause timing and batch target processing to climb the ranks.
Gold Medal Guide
100+ medals to unlock. Every mission's medal requirements, tips for achieving them and unlock rewards.
Story & Lore
Four endings shaped by your chemical weapon choices. Alternate-history 1920s Spain, monarchs vs republicans.
Arsenal
Complete shell codex with specs and tactics for all 30 unlockable ammunition types.
Articles
In-depth articles covering ballistics, release info, and ammunition strategy.
Co-op
Independent co-op game planned for late 2027. Here's what we know so far.
Demo
Free demo on Steam. 99% positive — try before you buy.
Mods
Modding potential, customization options, and community tools.
Codes
Access codes, Discord keys, and redemption guide.
News
Patch notes, milestones, and official announcements.
Systems
Fire control, ammunition, turret mechanics, medals, and cat companion.
Regions
15 campaign regions from calibration fire to final harvest.
Tools
Calculators, elevation guides, and shell comparison tools.
Ammo type comparison
Every shell in IRON NEST has unique blast radius, penetration, and moral weight. Compare all 9 core ammunition types.
| Shell | Tier | Best Target | Blast Radius | Cost |
|---|---|---|---|---|
| HE — High-Explosive | S | Soft targets, infantry, corrections | 15m | Standard |
| AP — Armor-Piercing | A | Bunkers, hardened structures | 5m | Standard |
| HCHE — High-Capacity HE | A | Clustered formations, grouped enemies | 30m | Premium |
| STAR — Illumination | B | Night observation, correction | 40m (no dmg) | Low |
| SMK — Smoke | C | Sightline denial, screening | 40m (no dmg) | Low |
| PGAS — Phosgene Gas | B | Area denial, entrenched infantry | 25m | High |
| TGAS — Tear Gas | C | Non-lethal suppression, dispersal | 15m | Low |
| PYRO — Incendiary | A | Wooden fortifications, burning | 15m | Standard |
| EMPT — Training Round | C | Calibration, zero-cost practice | None | Free |
Turret operation sequence
The 5-step loading and gunlaying sequence is the physical core of IRON NEST. Every lever, dial, and handwheel must be operated in strict order.
Shell Selector
Pull the lever to cycle through available ammunition types — HE, AP, HCHE, smoke, star, and specialty shells.
Shell Rammer
Pull the rammer handle to push the shell into the chamber. Wait for hydraulic pressure to stabilize before proceeding.
Powder Charges
Pull down 1 to 6 powder charge levers matching the ballistic calculator output. Too few fall short; too many overshoot.
Traverse
Rotate the traverse handwheel until the bearing indicator matches the calculated bearing from the tactical map.
Elevation
Adjust the elevation handwheel until the barrel angle matches the calculator output. Fractional-degree errors compound at long range.
What is IRON NEST?
IRON NEST: Heavy Turret Simulator drops you into the seat of a 5,000-ton war machine in alternate-history 1920s Spain. As the sole gunner, you translate teleprinter orders into firing solutions — measuring range on a paper tactical map, calculating elevation on a mechanical calculator, and manually loading shells into dual barrels.
The campaign spans 15 regions with 30 unlockable shell types, from armor-piercing rounds to chemical agents. Every shot carries weight: the press turns your actions into front-page stories, and High Command’s chemical weapon orders force a moral choice that shapes which of four endings you earn.
- Developer
- Nick Nieuwoudt & Dominik Latos
- Platform
- PC (Steam)
- Genre
- Dieselpunk Artillery Sim
- Release
- August 6, 2026
- Demo
- Free, on Steam now
- Campaign
- 15 regions · 30 shells
Official Launch Trailer
See the 5,000-ton war machine in action. Two minutes of dieselpunk artillery, from loading platform to impact.
Be ready when the order comes
Bookmark the wiki and check back as we map the released machine. New guides now track version 1.0, patches and discoveries from the field.