The CheatX Universal Hitbox Expander is a Roblox script that manipulates client-side data to enlarge player collision boxes for easier targeting in competitive games. Developers can mitigate this common exploitation by implementing server-sided sanity checks and using raycasting for hit detection rather than relying on client-side data. For more details, visit Roblox Developer Forum . What Is A Hitbox Expander? How To Prevent It?