IRON NEST: Heavy Turret Simulator officially supports Windows and requires a 64-bit processor and operating system. The minimum specification targets roughly 30 FPS at 720p on low settings; the recommended specification gives a more practical dedicated-GPU baseline. Steam Deck is verified through SteamOS/Proton compatibility and should not be described as native Linux support.
2950790, public version 1.0. Requirements came from the official US/English Store response and developer FAQ.Official PC requirements
The minimum note recommends a dedicated GPU and ties results to system configuration and thermal conditions. Meeting a part number does not guarantee the same sustained frame rate in every mission.
Choose a first-launch baseline
On hardware near minimum, begin at 1280×720 and low settings because that matches the Store’s stated target. Close unnecessary capture and overlay tools, connect power on a laptop, and confirm the game uses the intended graphics device. Let one mission run long enough to expose heat-related slowdown.
On recommended-class hardware, start at the display’s native resolution with moderate settings, then adjust from a repeatable scene. Change one option at a time. Record frame rate, frame pacing, temperature, and whether the problem occurs at menu, map, firing shake, or sustained operation.
PATCH 1.0 (1558) added a Motion Blur toggle for screen-shake events such as firing or being hit. Disable it when motion clarity or comfort is the issue; it is not a universal performance fix.
Storage and update headroom
The Store lists 5 GB available space. Keep additional free space for Steam patch staging, shader/cache data, saves, screenshots, and logs. A drive with exactly 5 GB free may not have enough temporary room for an update even when the installed game fits.
Install the base game under AppID 2950790. The Demo is AppID 4300500 and can occupy separate storage with separate data. Removing the Demo does not prove that base-game saves or settings are affected, and vice versa.
Steam Deck and Proton
The developers announced Steam Deck verification. The FAQ says native Linux support is not planned at this stage but reports that the game runs through Proton. This means the supported discussion is Steam Deck/Proton compatibility, not a native Linux executable.
For a Deck report, include SteamOS version, Proton selection, handheld or docked mode, display resolution, refresh cap, control layout, and external devices. Return to the default compatibility tool before concluding that a forced Proton version is required.
Before reporting poor performance
Run Steam’s file-integrity tool, install the public patch, update the GPU driver through the hardware vendor, reboot after driver changes, and test without third-party overlays. On a hybrid-GPU laptop, set Windows to use the high-performance GPU for the game. Monitor temperature and clock behavior rather than relying only on average FPS.
For black screen or crash, record whether audio continues, whether a window is present, display mode, driver version, and the last successful screen. Do not add multiple launch parameters at once; that makes the cause impossible to identify.
Requirements FAQ
Can integrated graphics run the game?
The official minimum lists Intel UHD or AMD Vega 8 and targets about 30 FPS at 720p low. Actual performance depends on the specific integrated GPU, shared memory, cooling, and system configuration.
Is 4 GB RAM recommended?
No. It is the official minimum. The recommended specification lists 8 GB RAM.
Does Steam Deck verification mean native Linux?
No. The Store lists Windows, and the developer describes Proton compatibility while declining native Linux support at this stage.
Are cloud gaming services supported?
This requirements page does not make a cloud-service availability claim. Catalog availability and input behavior must be checked with the service on the date of use.