Extreme Launcher
The facts below are what the maker publishes about Extreme Launcher, checked and dated. Our editors have not written about it yet.
Plans and prices
From Extreme Launcher's own pricing page, checked 8 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Extreme Launcher | Free | Free to use · no registration or account required |
The facts
Each one read from Extreme Launcher's own pages, with the date it was checked.
What it does
- Authentication
- The maker says the launcher supports Microsoft OAuth 2.0 authentication and offline login, and that credentials are not stored and are transmitted directly to Mojang.checked 8 Oct 2026
- Automatic updates
- Yeschecked 19 Sep 2026
- Built-in modpack catalog
- Yeschecked 19 Sep 2026
- Instance isolation
- Each Minecraft instance has its own folder for mods, resource packs, and configurations.checked 8 Oct 2026
- Internet requirement
- An internet connection is needed to download Minecraft files initially; after that, the launcher can be used offline.checked 8 Oct 2026
- Java
- Starting with version 5, the launcher automatically downloads and installs the Java version required for Minecraft.checked 8 Oct 2026
- Mod loader support
- multiplechecked 19 Sep 2026
- Modpack import
- catalogchecked 19 Sep 2026
- Modpacks
- It installs and updates modpacks and supports creating a modpack in one click.checked 8 Oct 2026
- Mod sources
- It can download and update individual mods from Modrinth and CurseForge, including mods outside modpacks.checked 8 Oct 2026
- Privacy
- The website privacy policy says it collects submitted form information and IP addresses when users vote, and says personal information is not sold or transferred without consent except to deliver a requested product or service.checked 8 Oct 2026
- Product
- Extreme Launcher is an open-source Minecraft launcher for managing multiple game instances, accounts, and mods.checked 8 Oct 2026
- Separate instances
- Yeschecked 19 Sep 2026
- Source code
- The source code is hosted on GitHub, where users can clone or fork it, report bugs, and suggest features.checked 8 Oct 2026
- Support
- The maker asks users reporting issues to contact them with their Windows, Java, launcher, and Minecraft versions and installed mods.checked 8 Oct 2026
- Supported loaders
- The download page says popular mods such as OptiFine and Forge are generally compatible; the latest release lists OptiFine, Forge, NeoForge, Fabric, Quilt, and LiteLoader installers.checked 8 Oct 2026
Where it runs
- Desktop OS support
- windowschecked 19 Sep 2026
Money
- Free plan
- Yeschecked 19 Sep 2026
The company
- Maker status
- The site identifies the maker as the ExtremeLauncher Team and describes the launcher as an unofficial Minecraft launcher and a PrismLauncher fork, unaffiliated with Mojang, Microsoft, or PrismLauncher.checked 8 Oct 2026
Alternatives to Extreme Launcher
- 1
9.7Free plan - 2
Modrinth
Free planOpen sourceWebAPILinuxmacOS8.7From $4.99 a month - 3
LabyMod
Free planAndroidiOSLinuxmacOS7.8Free plan - 4
Thendrask Launcher
Free planLinuxmacOSWindows7.8From $3 a month - 5
Minecraft Launcher
Free planAndroidiOSLinuxmacOS7.8Free plan - 6
Prism Launcher
Free planLinuxmacOSWindows7.7Free plan