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How I Fixed a 10 Year Old Guitar Hero Bug Without the Source Code

ExileLord · talk · Watch on YouTube

Speedrunning, glitches & game hackingSecurity & hackingTesting, debugging & developer tools

What it is

A reverse engineer walks through fixing a ten-year-old bug in Guitar Hero III without access to its source code, using a disassembler and decompiler. It is technical but explained step by step.

Why Hacker News recommends it

Held up as a favorite tech talk and a great hard-debugging story about patching a game binary.

  • 2 people recommended it
  • 2 different months
  • 1 strong recommendations
  • first 2017, last 2025

What HN commenters said

  1. “One of the best though, for me, has to be this one on fixing a Guitar Hero bug”

    Fixing a Guitar Hero bug without source code

    zapperdapper, 2017-12 · Strong recommendation · in “Ask HN: What's your favorite tech talk from 2017?”

  2. “covers a few similar techniques that were used to heavily obfuscate the game code that you might find interesting.”

    Reverse-engineering techniques on heavily obfuscated game code

    0xC0ncord, 2025-01 · Recommendation · in “Reverse engineering Call of Duty anti-cheat”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: reverse engineering, guitar hero, ida, x86, debugging, game hacking

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