# Tetris: byte-matching Game Boy disassembly

> This is a disassembly of Tetris for the Game Boy. It compiles 1:1 to the official Tetris (World) ROM. Code annotation and data annotation are still listed as unfinished.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/alexsteb/tetris_disassembly>
- Primary source: <https://github.com/alexsteb/tetris_disassembly/blob/b4bbceb3cc086121ab4fe9bf4dad6752fe956ec0/README.md>
- Catalog page: <https://awesomerea.org/resources/tetris-gb-disassembly/>
- Record JSON: <https://awesomerea.org/resources/tetris-gb-disassembly/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/tetris-gb-disassembly/index.md)

## Requirements & limits

- Build with RGBDS: rgbasm -o main.o main.asm, then rgblink -o tetris.gb main.o.
- The README does not name a license.

## Primary sources

1. <https://github.com/alexsteb/tetris_disassembly/blob/b4bbceb3cc086121ab4fe9bf4dad6752fe956ec0/README.md>

## More in Games

- [tgm2p-decomp: matching The Grand Master 2 Plus SH-2 code](https://awesomerea.org/resources/tgm2p-decomp-case/index.md) · Case study
- [TH04: rebuilding Lotus Land Story’s four PC-98 programs from source](https://awesomerea.org/resources/th04-reconstruction-case/index.md) · Case study
- [TH05: reconstructing Touhou 5's PC-98 programs](https://awesomerea.org/resources/th05-reconstruction-case/index.md) · Case study
- [th06: an independently matching Touhou 6 decompilation](https://awesomerea.org/resources/cirno-labs-th06-case/index.md) · Case study
- [TH06: reconstructing Japanese 1.02h authored functions](https://awesomerea.org/resources/th06-strict-reconstruction-case/index.md) · Case study
- [th07: reconstructing Touhou 7 retail 1.00b](https://awesomerea.org/resources/cirno-th07-case/index.md) · Case study

## 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.