# Puniemu: a Yo-kai Watch Puni Puni server emulator

> Puniemu recreates a C# server for Yo-kai Watch Puni Puni. Its source handles account creation and game data while implementing the client's AES-based request and response encoding, including compressed responses and salted SHA-1 digests.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/SuperTavor/puniemu>
- Primary source: <https://github.com/SuperTavor/puniemu/blob/5a8019659ecaa736ab178f4e5d4f850b9a362ae2/README.md>
- Catalog page: <https://awesomerea.org/resources/puniemu-yokai-watch-case/>
- Record JSON: <https://awesomerea.org/resources/puniemu-yokai-watch-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/puniemu-yokai-watch-case/index.md)

## Requirements & limits

- **Prerequisites:** The Yo-kai Watch Puni Puni client is the intended client.
- **Limits:** The server is a work in progress.
- **Limits:** In-app purchases are disabled.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/SuperTavor/puniemu/blob/5a8019659ecaa736ab178f4e5d4f850b9a362ae2/README.md>
2. <https://github.com/SuperTavor/puniemu/blob/5a8019659ecaa736ab178f4e5d4f850b9a362ae2/Src/NHNCrypt/Logic/NHNCrypt.cs>
3. <https://github.com/SuperTavor/puniemu/blob/5a8019659ecaa736ab178f4e5d4f850b9a362ae2/Src/Server/GameServer/Requests/CreateUser/Logic/CreateUserHandler.cs>

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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.