Reference
Cheats
The short answer: there aren't any. IRON NEST ships no cheat codes and no developer console, and nothing in the game unlocks ammunition or requisition on demand.
There is no cheat code, console or command line in IRON NEST. No key combination unlocks shells, no menu grants requisition, and the gun deck has no text entry to type into — every input is a physical dial, lever or punchcard.
What people usually want instead: the free-fire range
Most searches for cheats here are really asking for somewhere to experiment without losing a campaign run. The game has that already. Two Skirmishes sit outside the campaign entirely — Skirmish — Challenge: Counter battery timer and Skirmish — Chill: Uncontested Front — and nothing you do in them can fail an operation or cost you a medal.
The shells you are not supposed to be able to buy
The game keeps one round behind a price nobody can pay. The requisition cost is set to a figure the economy can never reach — the game's way of marking a shell as unavailable rather than merely expensive. That is MSTD Shell, which has no entry in the ammunition tables at all. No legitimate route unlocks it — the most expensive round you can actually buy is far cheaper.
Playing the economy instead
Requisition is the only currency, and destroying starred targets is the only income. Two things make a real difference and neither is a cheat: killing an ally is a deduction rather than a missed reward, and cheap observation is almost always worth more than another shell — a Listening Post costs a fraction of a Scout Plane and finds batteries the plane cannot see.
The full ladder is on the requisition page, and all 21 rounds are priced on the ammo pages.
A note on trainers
Third-party trainers and memory editors exist for IRON NEST, as they do for most single-player games. They are not part of the game, they are not supported by its developers, and they break whenever the build changes. We don't host, recommend or link to them.
Common questions
Does IRON NEST have cheat codes?
No. IRON NEST: Heavy Turret Simulator ships no cheat codes and no developer console. There is no key combination, menu toggle or command line that unlocks shells, requisition or invulnerability.
Is there a console command in IRON NEST?
There is no console. The game exposes no command entry of any kind — every input goes through the physical panels on the gun deck.
How do I practise without failing a mission?
Use the free-fire Skirmish. It is a relaxed range that sits outside the campaign, so nothing you do there can fail an operation or cost you a medal.
How do I get more requisition in IRON NEST?
By destroying things worth threat stars — the only source of income in the game. Killing an ally deducts requisition rather than simply paying nothing, so a clean sector is worth more than a fast one.