Stop the Lag: How to Build a "Better" Anti-Crash System in Roblox
No script can stop a true crash from a Roblox engine bug (e.g., the old Instance.new("Part") inside a for i=1,1e100 loop). But this will stop 99% of user-error and basic exploit crashes.
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Implement a server-side limit on how many instances a single player can trigger within a specific timeframe. Recommended Developer Maintenance Link/Resource Check API Recaps Roblox DevForum Recap Audit Graphics Drivers Official Driver Support Analyze Performance Logs Post-Update Creator Hub Performance Guide Proactive Follow-up: HELP My Game Is Crashing A LOT! - Developer Forum | Roblox
Vulnerable to "bypass" scripts if the code structure is public and flawed. anti crash script roblox better
Crashes generally fall into two categories: (impacting all players) and Client-Side (impacting individual users).
If a part isn't owned by your client, ignore its physics changes: Stop the Lag: How to Build a "Better"
local REMOTE = game.ReplicatedStorage:WaitForChild("MyRemote")
Instead of deleting objects after they are created, a better anti-crash script uses __namecall or metatable hooks to prevent suspicious objects from being spawned. If a script tries to create 1,000 parts inside your character, your anti-crash simply returns nil for the 2nd through 1000th request. If a part isn't owned by your client,