An autosplitter is a script (usually written in ASL or C#) that hooks into a game's memory. Instead of relying on a human to press a button, the script watches for specific memory values to change—such as a loading screen starting, a boss’s health hitting zero, or a level ID changing.
As Hades dominated the speedrunning scene in 2021, its GitHub-hosted autosplitter became one of the most refined tools in the community. It accurately filtered out "In-Game Time" (IGT) by pausing during screen transitions and menu dialogues, ensuring a fair playing field across different hardware. autosplitter+games+github+2021
When a game like Cyberpunk 2077 or Elden Ring (pre-launch hype in 2021) receives a patch, memory addresses change. A community developer can submit a "Pull Request" on GitHub, updating the script for everyone instantly. An autosplitter is a script (usually written in
The Rise of the Machine: How GitHub-Hosted Autosplitters Defined Speedrunning in 2021 It accurately filtered out "In-Game Time" (IGT) by
In the high-stakes world of competitive speedrunning, the difference between a world record and a "dead run" often comes down to milliseconds. Historically, runners had to manually tap a foot pedal or a key to mark their splits—a distraction that could lead to fatal input errors. However, by 2021, the landscape shifted dramatically toward automation.
Released in May 2021, this title saw a rapid development cycle on GitHub. Within weeks, developers created scripts that could track inventory management and cutscene skips, which are notoriously difficult to time manually.