diff --git a/README.md b/README.md
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+++ b/README.md
@@ -278,6 +278,7 @@ An online converter, translates gameboy assembly into Pokémon R/B/Y items ([Sou
 - [Reverse Engineering a Gameboy ROM with radare2](https://www.megabeets.net/reverse-engineering-a-gameboy-rom-with-radare2) - A walkthrough to reverse engineer a Gameboy ROM challenge using radare2
 - [Disassembling Link's Awakening](http://kemenaran.winosx.com/posts/category-disassembling-links-awakening/) - A series of blog posts about disassembling Link's Awakening DX.
 - [Link's Awakening DX Disassembly](https://github.com/mojobojo/LADX-Disassembly)
+- [Disassembly of Tetris](https://github.com/osnr/tetris) - Based on Jeff Frohwein's original disassembly.
 
 ## Related sites, posts and projects
 - [ArduinoBoy](https://github.com/trash80/Arduinoboy) - Serial communication (MIDI) from an Arduino to the Game Boy for music applications such as LittleSoundDJ, Nanoloop., and mGB.