Open the Hydrogen application and let it initialize.

While most scripts claim to be FE, "Kill All" scripts usually only work if the game handles damage on the client-side. If the game has server-side validation, the script might look like it's working but won't actually deplete mob health.

Note: Script availability changes frequently. Always source scripts from reputable community hubs like v3rmillion or specialized Discord servers.

If the game crashes upon injection, it usually means the executor (Hydrogen/Fluxus) needs an update to match the latest Roblox version.

Go to the main execution window and paste your script.

If the script has "Distance" settings, keep them moderate to avoid getting kicked by the game’s anti-cheat for "teleporting" or "reach." Safety Tips

Ensure you are running the latest version to avoid "Version Mismatch" errors.

Never use scripts on an account you’ve spent money on. Ban waves are common.