MelonLoader review
A flexible Unity mod loader with plugins, dependencies, debugging, and cross-platform support.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
MelonLoader is an open-source mod loader for Unity games built with Mono or Il2Cpp. It is designed for game modders and plugin developers who need to load mods from a game's installation directory, manage plugins, and control how components start. Mods and plugins use dedicated folders, while configuration is handled through UserData/Loader.cfg. Support covers Windows, Linux through WINE, Steam Proton, or native environments, macOS, and Android, with Oculus Quest included as work in progress.
Its strongest area is the combination of loading control and developer tooling. MelonLoader supports dependencies and priority-based load ordering, which helps organize projects with multiple plugins. It also supports Harmony patching, launch options for debugging and logging, and assembly generation. Automated and manual installation methods provide different setup paths, while proxy or platform bootstrap loading handles how the loader enters the game. These features make it more suitable for structured mod projects than a loader limited to placing files in a single directory.
MelonLoader is free and open source, so the main consideration is technical fit rather than plan selection. It works best when the target game uses Unity Mono or Il2Cpp and the modder is comfortable with installation folders, configuration, logging, and plugin management. Windows, Linux, and macOS users have the clearest documented platform options, while Android and Oculus Quest require allowance for work-in-progress support. Choose MelonLoader for cross-platform Unity mod loading with dependency control and debugging options; choose an alternative when the target game uses another engine or when a more polished, general-purpose mod management workflow is required.
MelonLoader pros and cons
- Where it wins
- Supports Unity Mono and Il2Cpp games
- Offers plugin loading, dependencies, and load ordering
- Runs on Windows, Linux, macOS, and Android
- Where it doesn't
- Android and Oculus Quest support is work in progress
- Requires game-installation folder and loader setup
- Focused on Unity games rather than broader game engines
MelonLoader fact sheet, pricing and score →
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