diff --git a/README.md b/README.md
index 26d4ce6..07c8207 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,8 @@ dotnet test tests/Engine.Tests/Engine.Tests.csproj -c Debug
 
 ### Arena Strike Gameplay
 
+*Pure scene render — UI intentionally hidden.*
+
 ![Arena Strike FPS demo](arena_strike_demo.gif)
 
 ## MCP Tools