In simple terms:
A: Not entirely. As long as clients render objects, a determined exploiter can capture the visual representation. Server logic will remain safe. Roblox SaveInstance Script
A: They violate Roblox ToS, but the legal status depends on jurisdiction. Some countries allow reverse engineering for interoperability — but that defense rarely applies to game cloning. In simple terms: A: Not entirely
In 2021, a popular YouTuber live-demoed saving an entire front-page game. Within 24 hours, his 200K-subscriber channel was terminated and his Roblox account banned. Legitimate Alternatives to SaveInstance You do not need exploit scripts to learn from other games. SaveInstance via Roblox Studio (Your Own Games) File → Publish to Roblox As... or Save to File (.rbxlx) . Use Clone() and WriteModelAsync local model = game.Workspace.MyModel:Clone() local data = model:WriteModelAsync(Enum.ModelWriteType.Strict) -- Saves to local machine as .rbxm Teach Yourself by Rebuilding Pick a public game that allows copying (e.g., "Welcome to Bloxburg" does NOT; "Natural Disaster Survival" is wide open via studio). Use Roblox Studio → File → New → From Roblox with the game ID to open uncopylocked places. Conclusion: Knowledge Over Theft The Roblox SaveInstance script sits at a fascinating intersection of technical prowess and ethical controversy. Yes, it can clone games. Yes, it works — to a degree — even with modern FilteringEnabled. But the cost is high: account bans, legal action, and a reputation as a thief in the developer community. A: They violate Roblox ToS, but the legal
A: Yes — but only client-replicated instances. All server scripts (game logic, datastores, admin commands) will be empty shells. This article is for educational purposes only. Always respect Roblox Terms of Service and copyright laws.
-- Start saving from the game's root local savedData = SaveInstance(game, 0) -- Then write to a file or output Between 2012 and 2018, Roblox security was significantly weaker. Many games stored valuable assets — GUI layouts, anti-cheat systems, advanced modules — entirely client-side. Exploiters quickly realized they could inject a script that recursively saves the entire game from the client’s perspective.
-- Recursively save children for _, child in pairs(instance:GetChildren()) do table.insert(data.Children, SaveInstance(child, depth + 1)) end