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slang.fyi

ironman mode

/ˈaɪərnmæn moʊd/

Common

A game difficulty setting that disables manual saving, making every decision permanent.

Often seen as the true intended way to play a game. Players who finish ironman runs get real bragging rights because every win was earned without a safety net.

Real-world examples4 examples
#ExampleWhat it meansSource
01started an ironman playthrough of XCOM last night. lost two soldiers in the tutorial. we are cooked.Early, permanent losses in a no-reload run.x, 2023
02finally beat Baldur's Gate 3 on ironman. took 4 failed attempts but I did it.Completed a full run without reloading after dying.reddit, 2024
03ironman makes you actually think before acting. in normal mode I just reload if something goes wrong.Removing the reload option forces more deliberate decision-making.reddit, 2022
04I tried ironman once. made one bad trade and watched 80 hours of progress end in real time.A single mistake caused an unrecoverable loss in a long run.x, 2024

Use it when

  • Playing a game with the manual save system disabled.
  • Describing a self-imposed rule to never reload after a mistake.
  • Talking about a harder, high-stakes playthrough.

Do not use it when

  • You just mean playing on the hardest difficulty setting.Use “hardcore mode” instead.
  • You mean a game mode with different enemy stats.

Variations and related forms

ironman run

A specific playthrough completed under ironman rules.

Ironman mode vs save-scumming

ironman mode

Ironman mode removes your ability to reload, forcing permanent consequences.

VS

save-scumming

Save-scumming exploits the save system to undo bad outcomes.

Origin and context

Popularized by games like XCOM and Civilization, which included ironman as a named option. Named after the concept of competing in brutal conditions without concessions.

First seen
2000s
Confidence
medium

Cite this page

Use this stable URL to reference the entry.

https://slang.fyi/ironman-mode
Updated: 2026-08-28License: CC BY 4.0

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