Using third-party scripts violates Roblox's Terms of Service and may result in an account ban.
To run these scripts, players generally use a Roblox script executor (e.g., JJSploit, Fluxus) to run "loadstring" code, such as: Roblox Michael's Zombies Script - Insta Kill/Re...
Michael's Zombies: Insta Kill, Infinite Jump, Kill Aura - RbxScripts Using third-party scripts violates Roblox's Terms of Service