: Most movement logic runs on your own device to ensure zero lag.
Jax didn't play by the physics engine. He used a custom , a piece of logic that lived in the "Filtering Enabled" cracks of the world. To the server, he was just another avatar. To the other players, he was a glitching god. fe parkour script
: Roblox's anti-cheat systems can detect unusual movement patterns or unauthorized script execution, leading to permanent account termination. : Most movement logic runs on your own
In Roblox development, "FE" stands for (or "Fully Executed" in the scripting community). Historically, Roblox had a security flaw where your computer (the client) told the server (the game) what happened. If your client said, "I touched the finish line," the server believed you. "I touched the finish line