Roblox uses Byfron (Hyperion) — a strong anti-tamper system. Executing external scripts can trigger an immediate account deletion, not just a temporary ban.
While the idea of flying through a Roblox prison, exploring out-of-bounds areas in a roleplay game, or trolling friends sounds fun, the consequences are severe. roblox noclip and fly script link
Many aviation, superhero, or sandbox games on Roblox legally include flight: Roblox uses Byfron (Hyperion) — a strong anti-tamper