Multi Theft Auto adds multiplayer to Grand Theft Auto: San Andreas, with servers, resources, and client downloads.
Mtasa Blue
Multi Theft Auto turns Grand Theft Auto: San Andreas into a networked multiplayer game engine.
About Mtasa Blue
Multi Theft Auto is a game engine modification that adds network multiplayer to Grand Theft Auto: San Andreas. It installs as an extension of the original commercial PC game using code injection and hooking, without altering original game files, and adds networking, GUI rendering, and access to engine functions through scripting.
By default it provides minimal sandbox-style gameplay that can be extended with Lua scripts run and synchronized on the client and server. Scripts, images, sounds, models, and textures are grouped into resources with metadata for transfer and dependency handling, supporting custom game modes for up to hundreds of players. The code is open source on GitHub.
Key features
- Adds network play to Grand Theft Auto: San Andreas
- Installs as extension without altering original game files
- Exposes original engine functions through Lua scripting
- Runs and synchronizes Lua scripts on client and server
- Groups scripts, media and models into transferable resources
- Lets server admins assign user rights to resources
Best for: Gamers and third-party developers who want to host or play custom GTA: San Andreas multiplayer modes.
Good for
- Open-source code available for contribution and educational review
- Leaves original game files unaltered
- Resource system allows content transfer between clients and servers
Watch out for
- Functions as an extension of the original commercial game, not a standalone game
- Provides only minimal sandbox gameplay by default until extended with Lua resources
Mtasa Blue at a glance
- Category
- Gaming › Game Guides, Wikis & Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Mtasa Blue alternatives
Tools and sites you could use instead, ranked by how closely they match.
SilentPatch provides fixes for Grand Theft Auto III, Vice City, and San Andreas.
Open source
24 alternatives
San Andreas Multiplayer provides free multiplayer sessions for Grand Theft Auto: San Andreas through a dedicated client and servers.
Vice City Multiplayer modifies Grand Theft Auto: Vice City for online play, supporting up to 100 players on a server.
Cheeseburger's GTA Mods Storage shares modifications for Grand Theft Auto, including a plane contrail for San Andreas Mobile.
Play Grand Theft Auto V in multiplayer through RAGE Multiplayer, an alternative multiplayer modification.
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Mtasa Blue FAQ
Does Multi Theft Auto alter the original game files?
No, it uses code injection and hooking to manipulate the game without altering original files supplied with the game.
How is custom gameplay created?
Through Lua scripts embedded in the client and server, grouped with media and models into resources with metadata files.
Is the project open source?
Yes, it was formerly closed-source and migrated to open source to encourage contributions and show source code for educational reasons.
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