# Glitchless engine guides

> What Glitchless (glitchless.gg) records in Unreal Engine, Unity, Godot and web games (Three.js, Phaser, Babylon.js, PlayCanvas), how to set it up, and what your coding agent can do with it.

Website: https://www.glitchless.gg/engines.html

- [Glitchless for web games](https://www.glitchless.gg/web.md) (Engine guide, October 23, 2026): One npm package for Three.js, Phaser, Babylon.js and PlayCanvas: frame times, stutter causes, errors, WebMCP and playtest bots.
- [Glitchless for Unreal Engine](https://www.glitchless.gg/unreal.md) (Engine guide, October 23, 2026): The C++ plugin for UE 5.7 and 5.8: every stutter with its cause, crashes and ensures with callstacks, F8 bug reports, for you and your agent.
- [Glitchless for Unity](https://www.glitchless.gg/unity.md) (Engine guide, October 23, 2026): The package for Unity 6.3 LTS and later: stutters with their cause, errors, bug reports, retention and revenue.
- [Glitchless for Godot](https://www.glitchless.gg/godot.md) (Engine guide, October 23, 2026): The addon for Godot 4.5 and later: stutters with their cause, errors with backtraces, orphan-node leaks, bug reports.