diff --git a/README.md b/README.md
index 000904b..96a5c73 100644
--- a/README.md
+++ b/README.md
@@ -155,6 +155,7 @@
 * [**C**: _Tutorial For a Brickout Clone_](https://dashgl.com/)
 * [**C**: _A tutorials for a basic Invaders game made in C with GTK: and OpenGL_](https://dashgl.com/Invaders/)
 * [**C**: _Astroids Tutorial written in C using GTK with OpenGL and DashGL for matrix manipulation_](https://dashgl.com/Astroids/)
+* [**C**: _On Tetris and Reimplementation_](https://brennan.io/2015/06/12/tetris-reimplementation/)
 * [**C++**: _How To Make Minecraft in C++/ OpenGL_](https://www.youtube.com/playlist?list=PLMZ_9w2XRxiZq1vfw1lrpCMRDufe2MKV_) [video]
 * [**C++**: _Breakout_](https://learnopengl.com/In-Practice/2D-Game/Breakout)
 * [**C++**: _Beginning Game Programming v2.0_](http://lazyfoo.net/tutorials/SDL/)