# Mesen

> Mesen is an NES/Famicom emulator with tools for inspecting game execution and graphics. Version 0.9.9 documents a debugger, trace logger, event viewer, memory tools, PPU viewer, assembler and Lua API; the repository contains the emulator core and tool source.

- Type: Tool
- Targets: Game
- Category: Game analysis tools
- Relationship: Foundation tool
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/SourMesen/Mesen>
- Primary source: <https://github.com/SourMesen/Mesen/blob/e1180957b31979d4b82d613af9263fcb9442a685/Docs/content/_index.md>
- Catalog page: <https://awesomerea.org/resources/mesen/>
- Record JSON: <https://awesomerea.org/resources/mesen/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/mesen/index.md)

## Requirements & limits

- **Limits:** Version 0.9.9 is archived; development on this version stopped in 2020.
- **License:** GPL-3.0 licence.

## Primary sources

1. <https://github.com/SourMesen/Mesen/blob/e1180957b31979d4b82d613af9263fcb9442a685/Docs/content/_index.md>
2. <https://github.com/SourMesen/Mesen/blob/e1180957b31979d4b82d613af9263fcb9442a685/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.