rom hack
/rɒm hæk/
CommonA fan-made modification of a game's code that changes its content, difficulty, or story.
Quality ranges from rough fan edits to professional-grade projects that rival the originals. Some ROM hacks have become more famous than the games they were based on.
Real-world examples4 examples
| # | Example | What it means | Source |
|---|---|---|---|
| 01 | this Pokemon rom hack has better writing than half the official games | The fan-made game surpasses the quality of official releases. | reddit, 2024 |
| 02 | tried a kaizo mario rom hack and got bodied on level one for two hours | The person attempted an extremely difficult Mario modification and struggled immediately. | x, 2023 |
| 03 | there are rom hacks with more content than AAA games. the community is insane | Fan-made modifications have grown large enough to rival commercially produced games. | x, 2024 |
| 04 | does anyone have recommendations for a good Zelda rom hack? already played everything official | The person has exhausted official Zelda games and is looking for fan-made content. | reddit, 2023 |
Use it when
- Referring to a fan-modified version of a retro game.
- Discussing a game that was built by editing another game's data.
- Talking about community-created content for older games that don't support official mods.
Do not use it when
- The game is a modern PC game with official mod support.Use “mod” instead.
- You mean a speedrun trick or glitch exploit.
Variations and related forms
ROM hack vs mod
rom hack
ROM hacks apply to retro games by directly editing binary data, typically requiring emulation.
VS
modding
Mods usually work with modern games that provide official or semi-official tools for modification.
Origin and context
Emerged from the emulation scene of the late 1990s and early 2000s as tools for editing NES, SNES, and Game Boy cartridge data became available. The Pokemon and Mario communities produced some of the most well-known examples.
- First seen
- late-1990s
- Confidence
- medium
Cite this page
Use this stable URL to reference the entry.
https://slang.fyi/rom-hackUpdated: 2026-08-28License: CC BY 4.0