diff --git a/GoUsers.md b/GoUsers.md
index 088336a..b5f7d87 100644
--- a/GoUsers.md
+++ b/GoUsers.md
@@ -808,6 +808,7 @@
   * [Optimum Yazılım](https://www.optimumyazilim.com)
   * [Peak Games](https://www.peakgames.net/) - [github](https://github.com/peakgames) - Processing billions of events per day.
   * [put.io](https://www.put.io/) - [github](https://github.com/putdotio)
+  * [MasomoGaming](https://www.masomo.com/) - [github](https://github.com/masomo) - Online HeadBall2 Game Server by Go
 
 ## Ukraine
   * [Agilites](https://agilites.com)