-- Configuration local SAVE_DATASTORE_NAME = "SaveInstanceData" local SAVE_KEY = "SavedInstance"
Assume your client-side assets are public. Protect your game mechanics by securing your RemoteEvents and ensuring all critical data processing occurs strictly within ServerScriptService .
While the decompiled script will function similarly to the original, it will often lose local variable names (replacing them with terms like v1 , v2 ) and omit comments, making complex UI animations or local anti-cheat frameworks difficult to read but still salvageable for study. Legitimate Uses vs. Exploitation
By understanding how tools like work, you can better protect your own projects and understand the technical limitations of the Roblox platform.
In Roblox, games are structured as a tree of instances (e.g., Workspace , ReplicatedStorage , Lighting ). A SaveInstance script leverages a unique executor-only function, typically written as saveinstance() or Workspace.SaveInstance() , to serialize this entire data tree. Roblox SaveInstance Script
: External execution environments use a custom function, often saveinstance() , to decompile a live game into a .rbxl file. This is generally used for "stealing" maps or studying how a game is built.
A SaveInstance script in Roblox refers to a piece of Lua code designed to iterate through the game's hierarchy (workspace, lighting, replicated storage, etc.) and serialize every object — parts, scripts, meshes, decals, and their properties — into a human-readable or machine-readable format, typically a .rbxlx (XML) or a custom table structure.
Recovering your own lost project if you accidentally lose access to your Roblox account or delete a local save.
Novice builders can download public or historical maps to study how professional studios optimize lighting, configure terrain tools, and structure their 3D models. Legitimate Uses vs
For advanced options (such as saving without scripts or choosing specific options), you can pass a table of arguments:
High-performance saving by utilizing multiple CPU cores.
was part of an "ancient" data persistence system that predates the modern DataStoreService
Some advanced versions attempt to "decompile" scripts, turning machine-readable code back into human-readable Luau. their policies apply.
saveinstance() -- This usually saves the place to your executor's 'workspace' folder. Use code with caution. Copied to clipboard
Different third-party executing environments use variations of the SaveInstance command. Below is the standard syntax structure used in modern environments:
Mesh IDs, Texture IDs, and Sound IDs are recorded so Roblox Studio can stream them later.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Roblox’s process is strict. If someone re-uploads your game using a SaveInstance script: