diff --git a/README.md b/README.md
index 19eec89..32473a0 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ This is a list of different open-source video games and commercial video games o
 
 - [Action games](#action-games)
 - [Adventure games](#adventure-games)
+- [Arcade games](#arcade-games)
 - [Business and Tycoon games](#business-and-tycoon-games)
 - [City-Building games](#city-building-games)
 - [First-Person games](#first-person-games)
@@ -36,6 +37,10 @@ This is a list of different open-source video games and commercial video games o
 
 - **Zelda 3** - A reverse engineered clone of Zelda 3 - A Link to the Past. [[source]](https://github.com/snesrev/zelda3)
 
+## Arcade games
+
+- **[osu!](https://osu.ppy.sh)** - Open source musical game, where you need to click the circles to the beat. [[source]](https://github.com/ppy/osu)
+
 ## Business and Tycoon games
 
 - **[OpenRCT2](https://openrct2.org)** - An open-source re-implementation of RollerCoaster Tycoon 2. [[source]](https://github.com/OpenRCT2/OpenRCT2)