Iron Nest: Heavy Turret Simulator - Known Bugs, Crashes & Community Fixes
6 August 2026
About this game
Iron Nest: Heavy Turret Simulator is a brutal dieselpunk heavy-artillery sim set in alternate-history Spain on the brink of civil war, where you command a massive 5,000-ton war machine from first person. You study orders, reports, maps, aerial photos, and radio traffic to build a firing solution, then manually handle levers, dials, elevation, charges, and ammo to fire devastating shots across the battlefield.
Developed by , · Published by ,
Clear the DirectX shader cache in Windows Disk Cleanup.
Related guideHow to Clear or Disable the NVIDIA Shader Cache
Add -dx12 to the Steam launch options to force DirectX 12.
Lower shadow quality and volumetric effects to medium, disable motion blur, and set particle physics to low.
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System requirements
Minimum
- OS: 64-bit processor and operating system
- Processor: Intel Core i5-4460 / AMD FX-8350
- Memory: 4 GB RAM
- Graphics: Intel UHD / AMD Vega 8
- DirectX: Version 10
- Storage: 5 GB available space
Recommended
- OS: 64-bit processor and operating system
- Processor: Intel Core i5-8400 / AMD Ryzen 5 2600
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 1060 6GB / AMD RX 580 8GB
- DirectX: Version 10
- Storage: 5 GB available space