# Glitchless > Glitchless (glitchless.gg; not Glitchless LLC at glitchless.com) is game observability and analytics for Three.js, Phaser, Babylon.js, PlayCanvas, Unity, Godot, Unreal and GameMaker games, made for people who build games with coding agents. Glitchless shows where a game lags, crashes and loses players on a dashboard built for each game (its own events and pages), gives your coding agent the same data over MCP, and runs playtest bots that check each fix. Open source (MIT), with a hosted version that's free for 5,000 play sessions a month. ## Docs - [Home](https://www.glitchless.gg/index.md): what Glitchless does, a bug it found and fixed, and how to set it up - [Pricing](https://www.glitchless.gg/pricing.md): plans, what counts as a play session, and the FAQ - [Epic AI MegaJam](https://www.glitchless.gg/megajam.md): the free jam tier (code MEGAJAM26) and how to set Glitchless up for an Unreal jam game - [Privacy policy](https://www.glitchless.gg/privacy.md): what Glitchless Cloud and the SDKs collect, who handles it and how long it's kept - [Terms of service](https://www.glitchless.gg/terms.md): plans, overage, caps, spike protection, cancelling and acceptable use - [Support](https://www.glitchless.gg/support.md): email, billing help, bug reports and the docs for each engine - [Setup prompt for any coding agent](https://github.com/glitchless-gg/glitchless/blob/main/docs/agent-setup-prompt.md): paste it into Claude Code, Codex or Cursor - [Source and README](https://github.com/glitchless-gg/glitchless): SDKs, server, dashboard, MCP server, playtest bots, the Unity package, the Godot addon and the Unreal plugin ## Engine guides - [Glitchless for Unreal Engine](https://www.glitchless.gg/unreal.md): the UE 5.7 and 5.8 plugin, what it records, setup, tested platforms - [Glitchless for Unity](https://www.glitchless.gg/unity.md): the package for Unity 6.3 LTS and later - [Glitchless for Godot](https://www.glitchless.gg/godot.md): the addon for Godot 4.5 and later - [Glitchless for web games](https://www.glitchless.gg/web.md): Three.js, Phaser, Babylon.js and PlayCanvas ## Store guides - [Glitchless for Steam](https://www.glitchless.gg/steam.md): reviews by build with the Steam Deck share, players online, builds, wishlists and sales, next to what the game measured - [Glitchless for the App Store](https://www.glitchless.gg/app-store.md): reviews by version, and Apple's hang rate, launch time and animation hitches next to Glitchless's - [Glitchless for Google Play](https://www.glitchless.gg/google-play.md): reviews by version and device, and Android vitals next to Glitchless's ## Comparisons - [All comparisons](https://www.glitchless.gg/compare.md) - [Glitchless vs Sentry](https://www.glitchless.gg/glitchless-vs-sentry.md): crash reporting versus game observability - [Glitchless vs PostHog](https://www.glitchless.gg/glitchless-vs-posthog.md): product analytics versus game performance and play - [Glitchless vs Talo](https://www.glitchless.gg/glitchless-vs-talo.md): a game backend versus game observability; they fit together - [Glitchless vs GameAnalytics](https://www.glitchless.gg/glitchless-vs-gameanalytics.md): free-to-play analytics versus game observability - [Glitchless vs Micromegas](https://www.glitchless.gg/glitchless-vs-micromegas.md): raw Unreal traces you host versus ready answers - [Glitchless vs Unreal Insights](https://www.glitchless.gg/glitchless-vs-unreal-insights.md): what players hit versus why, frame by frame ## Packages - [glitchless](https://www.npmjs.com/package/glitchless): the browser SDK, with the Three.js, Phaser, Babylon.js and PlayCanvas adapters (`glitchless/three`, `glitchless/phaser`, `glitchless/babylon`, `glitchless/playcanvas`), in-game overlay and WebMCP tools - [glitchless-mcp](https://www.npmjs.com/package/glitchless-mcp): the MCP server that gives a coding agent your players' data - [glitchless-playtest](https://www.npmjs.com/package/glitchless-playtest): playtest bots that compare a change against a saved baseline - [glitchless-sourcemaps](https://www.npmjs.com/package/glitchless-sourcemaps): uploads a web build's source maps (CLI and Vite plugin), so errors from minified builds show the original lines - [glitchless-deck](https://github.com/glitchless-gg/glitchless-deck): sends a build to a Steam Deck, starts it there and measures it - [Unreal plugin](https://github.com/glitchless-gg/glitchless/releases/tag/glitchless-unreal/v0.1.0): glitchless-unreal 0.1.0 for Unreal Engine 5.8 (Windows, macOS, iOS) - [GameMaker SDK](https://github.com/glitchless-gg/glitchless/tree/main/gamemaker): GML scripts for GameMaker 2024.2+, imported as a local package - [gg.glitchless.sdk](https://github.com/glitchless-gg/glitchless/tree/main/unity/Packages/gg.glitchless.sdk): the Unity package, installed by git URL ## Optional - [Full docs in one file](https://www.glitchless.gg/llms-full.txt): the site's guides plus the repo's READMEs, skills and spec - [Docs](https://www.glitchless.gg/docs.md): every guide and reference, by topic - [Brand kit](https://www.glitchless.gg/brand.md): logos, colours, type and Glitchy - [SDK fields](https://github.com/glitchless-gg/glitchless/blob/main/packages/sdk/PRIVACY.md): every field the web SDK sends in each privacy mode ([Unity](https://github.com/glitchless-gg/glitchless/blob/main/unity/Packages/gg.glitchless.sdk/PRIVACY.md), [Godot](https://github.com/glitchless-gg/glitchless/blob/main/godot/addons/glitchless/PRIVACY.md)) - [Technical spec](https://github.com/glitchless-gg/glitchless/blob/main/docs/SPEC.md)