Best Ultimate ASI Loader Alternatives in 2026
The top Ultimate ASI Loader alternatives are MelonLoader, BepInEx and SMAPI: 15 game mod loaders our editors would look at instead of Ultimate ASI Loader, in our ranking order.
Ultimate ASI Loader: A focused, free loader for low-level ASI plugin support on Windows. Where it falls short: windows-only platform coverage.
Switching from Ultimate ASI Loader? For most game mod loaders buyers the best Ultimate ASI Loader alternative is MelonLoader, built for broad Unity mod loading.
Why People Look for an Ultimate ASI Loader Alternative
- Windows-only platform coverage
- Supported game coverage is limited to GTA San Andreas and Resident Evil 5
- No load-order, profile, or dependency management
- No load-order control — 8 of the alternatives below have it
- No mod profiles — 3 of the alternatives below have it
Quick Picks by What You Need
- Best overallMelonLoader9.4
Broad Unity mod loading
Visit MelonLoader - Best free optionMelonLoader9.4
Has a free plan
Visit MelonLoader - Best for load-order controlMelonLoader9.4
Load-order control (Ultimate ASI Loader: no)
Visit MelonLoader
All 15 Ultimate ASI Loader Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forBroad Unity mod loading
- Better than Ultimate ASI Loader:
- Load-order control
- Dependency handling
- Editor score 9.4 vs 6.1
A flexible Unity mod loader with plugins, dependencies, debugging, and cross-platform support.
- Load-order control
- Dependency handling
- Plugin support
9.4/10★★★★★Visit MelonLoader -
Best forMulti-framework game modding
- Better than Ultimate ASI Loader:
- Load-order control
- Dependency handling
- Editor score 9.2 vs 6.1
A free, open-source loader for multi-framework desktop game modding.
- Load-order control
- Dependency handling
- Plugin support
9.2/10★★★★★Visit BepInEx -
Best forStardew Valley modding
- Better than Ultimate ASI Loader:
- Load-order control
- Mod profiles
- Dependency handling
A capable, free loader for Stardew Valley mods, diagnostics, dependencies, and save backups.
- Mod profiles
- Load-order control
- Dependency handling
8.9/10★★★★☆Visit SMAPI -
Best forTitanfall 2 modding and custom servers
- Better than Ultimate ASI Loader:
- Load-order control
- Mod profiles
- Dependency handling
A focused, free loader for Titanfall 2 mods, plugins, profiles, and custom servers.
- Mod profiles
- Load-order control
- Dependency handling
8.7/10★★★★☆Visit R2Northstar -
Best forCeleste players and mod creators
- Better than Ultimate ASI Loader:
- Dependency handling
- Editor score 8.6 vs 6.1
A free, open-source Celeste mod loader with broad content support and developer tools.
- Dependency handling
- Plugin support
8.6/10★★★★☆Visit Everest -
Best forUnreal Engine game modding
- Better than Ultimate ASI Loader:
- Load-order control
- Editor score 8.4 vs 6.1
A deep Unreal Engine mod loader for Windows modders and developers.
- Load-order control
8.4/10★★★★☆Visit UE4SS -
Best forSatisfactory mod development
- Better than Ultimate ASI Loader:
- Dependency handling
- Editor score 8.3 vs 6.1
A free, developer-focused framework for building and loading Satisfactory mods.
- Dependency handling
- Plugin support
8.3/10★★★★☆Visit site -
Best forAdvanced Morrowind scripting
- Better than Ultimate ASI Loader:
- Load-order control
- Dependency handling
- Editor score 8.1 vs 6.1
A free, open-source scripting extension for advanced Morrowind mod development.
- Load-order control
- Dependency handling
- Plugin support
8.1/10★★★★☆Visit MWSE -
Best forHades II modding with profiles
- Better than Ultimate ASI Loader:
- Mod profiles
- Editor score 8.0 vs 6.1
A free, open-source Hades II loader with profiles and broad mod-manager support.
- Mod profiles
- Plugin support
8.0/10★★★★☆Visit Hell2Modding -
Best forBattleTech mod organization
- Better than Ultimate ASI Loader:
- Load-order control
- Dependency handling
- Editor score 7.9 vs 6.1
A focused BattleTech loader with manifests, dependency handling, and load-order control.
- Load-order control
- Dependency handling
- Plugin support
7.9/10★★★★☆Visit ModTek -
Best forModding Hades and related games
- Better than Ultimate ASI Loader:
- Load-order control
- Editor score 7.8 vs 6.1
A capable, free loader for Supergiant game mods, with backups and load-order control.
- Load-order control
7.8/10★★★★☆Visit SGG-Modding -
Best forFallout 4 mod development
- Better than Ultimate ASI Loader:
- Editor score 7.7 vs 6.1
A free Windows loader and API toolkit for advanced Fallout 4 mod scripting.
- Plugin support
7.7/10★★★★☆Visit F4SE -
Best forCyberpunk 2077 gameplay tweaking
- Better than Ultimate ASI Loader:
- Editor score 7.6 vs 6.1
A focused, free framework for scripting and tuning Cyberpunk 2077.
- Plugin support
7.6/10★★★★☆Visit site -
Best forGTA V .NET scripting
- Better than Ultimate ASI Loader:
- Editor score 7.4 vs 6.1
A free, open-source Windows runtime for GTA V .NET scripting.
- Plugin support
7.4/10★★★★☆Visit site -
Best forBaldur's Gate 3 scripting
- Better than Ultimate ASI Loader:
- Editor score 7.3 vs 6.1
A focused, free script extender for Baldur's Gate 3 mod authors.
7.3/10★★★★☆View the project
Ultimate ASI Loader Alternatives: Common Questions
What is the best alternative to Ultimate ASI Loader?
MelonLoader: #1 in our Game Mod Loaders ranking, with an editor score of 9.4 out of 10. A flexible Unity mod loader with plugins, dependencies, debugging, and cross-platform support.
Is there a free alternative to Ultimate ASI Loader?
Yes. MelonLoader, BepInEx, SMAPI, Northstar and Everest have a free plan or a free tier (15 of the 15 alternatives on this page).
Why do people look for Ultimate ASI Loader alternatives?
Windows-only platform coverage; Supported game coverage is limited to GTA San Andreas and Resident Evil 5; No load-order, profile, or dependency management.
How do I switch from Ultimate ASI Loader?
Back up your world, configs and mods from Ultimate ASI Loader's panel, or download the server folder over SFTP. Create the server on the new host with the same game version (and the same modpack or loader, if you use one). Upload the world and config files, start the server once and check that the mods and plugins load. Share the new address with your players or point your domain at it, then cancel Ultimate ASI Loader after a test session.
How to Switch from Ultimate ASI Loader
- Back up your world, configs and mods from Ultimate ASI Loader's panel, or download the server folder over SFTP.
- Create the server on the new host with the same game version (and the same modpack or loader, if you use one).
- Upload the world and config files, start the server once and check that the mods and plugins load.
- Share the new address with your players or point your domain at it, then cancel Ultimate ASI Loader after a test session.
Ultimate ASI Loader vs Each Alternative
| # | Tool | Paid from | Supported games | Supported platforms | Mod loading method | Load-order control | Dependency handling | Score |
|---|---|---|---|---|---|---|---|---|
| 24 | Ultimate ASI Loader | Free | GTA San Andreas; Resident Evil 5 | Windows (Win32 and Win64) | Plugin | No | No | 6.1 |
| 1 | MelonLoader | Free | Unity games using Mono or Il2Cpp | Windows, Linux (WINE/Steam Proton/native), macOS, Android and Oculus Quest (WIP) | Injection | Yes | Yes | 9.4 |
| 2 | BepInEx | Free | Windows, macOS, Linux | Injection | Yes | Yes | 9.2 | |
| 3 | SMAPI | Free | Stardew Valley | Linux, macOS, Windows, Steam Deck, Android | Plugin | Yes | Yes | 8.9 |
| 4 | Northstar | Free | Titanfall 2 | Windows; Linux | Injection | Yes | Yes | 8.7 |
| 5 | Everest | Free | Celeste | Windows, macOS, Linux | Injection | Yes | 8.6 | |
| 6 | UE4SS | Free | Windows | Injection | Yes | 8.4 | ||
| 7 | Satisfactory Mod Loader | Free | Satisfactory | Windows, Linux | Plugin | Yes | 8.3 | |
| 8 | MWSE | Free | The Elder Scrolls III: Morrowind | Windows; Linux via Wine | Script | Yes | Yes | 8.1 |
| 9 | Hell2Modding | Free | Hades II | Windows; Steam Deck through Proton | Injection | 8.0 | ||
| 10 | ModTek | Free | BattleTech | Windows, Linux, macOS | Injection | Yes | Yes | 7.9 |
| 11 | Hades Mod Importer | Free | Bastion, Transistor, Pyre, Hades, Hades II | Windows, macOS | Script | Yes | 7.8 | |
| 12 | Fallout 4 Script Extender (F4SE) | Free | Fallout 4 | Windows | Injection | 7.7 | ||
| 13 | Cyber Engine Tweaks | Free | Cyberpunk 2077 | Windows; Linux via Proton | Injection | 7.6 | ||
| 14 | ScriptHookVDotNet | Free | Grand Theft Auto V | Windows PC | Plugin | 7.4 | ||
| 15 | Baldur's Gate 3 Script Extender | Free | Baldur's Gate 3 | Windows, Linux via Proton | Script | 7.3 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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