diff --git a/README.md b/README.md
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@@ -10,6 +10,10 @@
 
 A clone of the 2007 Adobe Flash game by Jacob Grahn ("Jiggmin"), using OpenGL and SDL.
 
+> _Don't let anything touch your white center. Destroy atackers by touching them with their color. Move with your mouse. Spin with WASD/arrow keys. Survive._
+
+An experiment in getting the ropes of OpenGL and implementing an entity component system (ECS).
+
 ## Build
 
 ### Dependencies