I Use This!
Analyzed about 13 hours ago. based on code collected about 13 hours ago.

Project Summary

This project is a complete level editor for New Super Mario Bros in C#, originally written by Treeki, and now maintained by Treeki and Dirbaio. It allows level and file editing, and more features to come.

It was open sourced so that other people could also contribute to the editor and to adding new features.

FeaturesLevel editing (Objects, sprites, entrances, paths, views, zones, options, raw data) File importing/exporting (with decompression) ROM patching Editing tools such as a sprite finder, zooming, minimap and more Full graphics support Configurable sprite data editor Full tileset editor, able to import and export tileset graphics Multiple windowed interface English and Spanish translations LinksOfficial forum: http://jul.rustedlogic.net/forum.php?id=11


nsmb romhacking

In a Nutshell, nsmb-editor...

Quick Reference

GNU General Public License v3.0 or later

Commercial Use



Place Warranty

Use Patent Claims



Hold Liable


Distribute Original

Disclose Source

Include Copyright

State Changes

Include License

Include Install Instructions

These details are provided for information only. No information here is legal advice and should not be used as such.

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities

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About Project Security



30 Day Summary

Aug 26 2022 — Sep 25 2022

12 Month Summary

Sep 25 2021 — Sep 25 2022