GM8Decompiler

by OpenGMKv2.2.0

Last updated Jun 8, 2026

A decompiler for GameMaker 8.x executables

Install with winget

$ winget install --id OpenGMK.GM8Decompiler --exact --version 2.2.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

An open-source decompiler for GameMaker 8.x executables. Reverts any game back to .gmk or .gm81 format respectively.

Installers · v2.2.0

Architecture	Type	Scope	Install	Download
x86	Portable	-		Direct
x64	Portable	-		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for GM8Decompiler.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install GM8Decompiler on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id OpenGMK.GM8Decompiler --exact --version 2.2.0. winget downloads the installer from OpenGMK and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install GM8Decompiler silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id OpenGMK.GM8Decompiler --exact 2.2.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall GM8Decompiler via winget?

Run: winget uninstall --id OpenGMK.GM8Decompiler --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from GM8Decompiler's Apps & Features entry.

Is GM8Decompiler free?

GM8Decompiler is distributed under GPL-2.0. Refer to the publisher (https://github.com/OpenGMK/GM8Decompiler) for the full license terms - Wingetly itself does not charge for installation.

Does GM8Decompiler work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls GM8Decompiler directly from the publisher.

How do I keep GM8Decompiler up to date?

Run winget upgrade --id OpenGMK.GM8Decompiler --exact, or winget upgrade --all to update everything winget tracks. We index 2 versions of GM8Decompiler from microsoft/winget-pkgs.

Recent versions

2.2.0latest
2.1.1