Nucleus Executor — Lightweight Lua Runtime for Roblox PC

Version 3.5.0 • Windows 10/11 • 11.8 MB

Characteristic	Value
Version	3.5.0
Operating System	Windows 10 / 11 (x64)
Language	C++20 / Lua 5.1 / Luau
Injection Method	Native module mapping
File Size	11.8 MB
RAM Usage	< 45 MB
Dependencies	VC++ 2022 Redistributable
Offline Mode	Supported
Last Checked	2026-09-19

Download Nucleus

Verify the file hash before running.

Download (11.8 MB)

File Verification

Field	Value
File type	ZIP archive
SHA-256	e391d08ef88d075a98a25ad8aca8d0c4b9df3e62387feeeb2567d48014c50681
Detection	0/67 on VirusTotal
Last checked	2026-09-19
VirusTotal	View report

See the Security page for details on how files are verified.

What Is Nucleus?

Nucleus is a lightweight Lua script runtime designed for Roblox on Windows. According to its documentation, it connects to the Roblox process in under 0.4 seconds and provides a standard Lua/Luau environment with extended functions. The executor is built with C++20 and uses native module mapping for injection. It includes a dark-themed interface with a syntax-highlighting editor, a script hub with categorized community scripts, and a file manager for organizing scripts locally. The tool uses less than 45 MB of RAM and has minimal impact on game frame rate. The version referenced on this page is 3.5.0.

Key Features

Fast attach (under 0.4 seconds)
Full API coverage
Script hub with categorized scripts
Dark-themed interface
Auto-update support
Low resource usage (< 45 MB RAM)

System Requirements

Operating System: Windows 10 (build 1909+) or Windows 11
Processor: Intel Core i3 or equivalent
RAM: 4 GB minimum (8 GB recommended)
Storage: 200 MB free space
Dependency: VC++ 2022 Redistributable

Compatibility and Status

Compatibility can change after Roblox client updates. See the Executor Status page and Compatibility page for the latest notes.

Risk Notes

Using executors or scripts may violate Roblox's Terms of Service.
Verify the SHA-256 of the downloaded file before running it.
Review the Security page before changing system settings.
Keep the executor updated to the latest version.

Video Guide

How to Use Nucleus Executor

Watch the full tutorial on how to download, install, and use this executor.

How to Install

Download — save the archive from the download button above.
Verify — compare the SHA-256 of the file against the value listed on this page.
Extract — right-click the archive and select "Extract All".
Launch Roblox — open Roblox and join a game.
Run the executor — open the executable while Roblox is running.
Select a script — choose from the script hub or paste your own.
Execute — click Execute.

Frequently Asked Questions

What is Nucleus?

Nucleus is a lightweight Lua script runtime for Roblox PC with fast injection and full API coverage.

Does Nucleus work on Windows 11?

Yes, it is compatible with Windows 10 and Windows 11.

How much RAM does Nucleus use?

Nucleus uses less than 45 MB of RAM according to its documentation.

How is the file verified?

The SHA-256 hash and VirusTotal report are listed on this page. Always compare the hash of your downloaded file against the value listed here.