# Alleyway: a checksum-matched Game Boy disassembly

> Alleyway reconstructs the 1989 Game Boy game as assembly source organized by audio, display, input, physics, and stage code. Its build script emits a 32 KiB ROM with published CRC32 and SHA-1 hashes, and accompanying notes identify unused routines and behaviors.

- 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/Wit-MKW/alleyway-gb>
- Primary source: <https://github.com/Wit-MKW/alleyway-gb/blob/00e3400d7cfba2b38def20de444f1e89b994c818/README.md>
- Catalog page: <https://awesomerea.org/resources/alleyway-gb-case/>
- Record JSON: <https://awesomerea.org/resources/alleyway-gb-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/alleyway-gb-case/index.md)

## Requirements & limits

- **Prerequisites:** Use the repository's build.sh script to produce the ROM.
- **Scope:** The documented output is a 32 KiB Alleyway (World).gb with a stated CRC32 and SHA-1.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/Wit-MKW/alleyway-gb/blob/00e3400d7cfba2b38def20de444f1e89b994c818/README.md>
2. <https://github.com/Wit-MKW/alleyway-gb/blob/00e3400d7cfba2b38def20de444f1e89b994c818/unused.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.