Use NSIS recipes from MulderLoad to restore and modernize existing video games.

github.com/MulderLand/MulderLoad
Mulder Load homepage screenshot

About Mulder Load

MulderLoad is a collection of NSIS (Nullsoft Scriptable Install System) recipes that generate installers to restore and modernize existing video games. It is described as a core component of Mulderland, and its recipe source code is stored in the repository with builds made through GitHub Actions. Finished installers are distributed via the project website.

It provides three installer templates: Enhancement Packs for games that are already installed, mostly Steam or GOG releases; BYOF (Bring Your Own Files) installers that set up games from a user-provided ISO or archive without supplying original copyrighted files; and Full installers for freeware titles. Changes focus on compatibility, stability, sound issues, missing widescreen support, and graphics improvements that respect the original style, with the stated goal of preserving the vanilla experience.

Key features

  • Enhancement Packs fix and modernize already installed Steam or GOG games
  • BYOF installers set up games using user-supplied ISO or archive files
  • Full installers install freeware titles without prior files or setup
  • Fixes compatibility, stability, sound issues and adds widescreen support
  • Verifies files with hashes and uses mirrors for downloads
  • Builds installers locally from recipes with PowerShell scripts
Best for: Owners of older Steam, GOG, disc-based, or freeware games who want compatibility and stability fixes that preserve the original experience.
Good for
  • Recipe source code is available in the repository and built via GitHub Actions
  • Focuses on preserving original gameplay without gameplay-altering mods
  • Aims for lightweight installers without legacy systems or unnecessary administrator privileges
Watch out for
  • Enhancement Packs require a game that is already installed
  • BYOF installers require the user to supply the original ISO or archive
  • Local builds require cloning the repository and running PowerShell setup scripts

Mulder Load at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Mulder Load FAQ

Where are the finished installers?
This repository contains the recipes and build scripts; finished installers are available at www.mulderland.com.
How do I build a recipe locally?
Clone the repository, run setup.ps1 once from the build directory in PowerShell to install NSIS, then run make.ps1 for a recipe in the games folder.
Does a BYOF installer include the original game files?
No. The user must provide the ISO or archive, as original copyrighted game files are not provided.
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