diff --git a/index/gl/globe_3d/globe_3d-2023.11.12.toml b/index/gl/globe_3d/globe_3d-2023.11.12.toml
index 91b964d9a..14c8f0a02 100644
--- a/index/gl/globe_3d/globe_3d-2023.11.12.toml
+++ b/index/gl/globe_3d/globe_3d-2023.11.12.toml
@@ -3,7 +3,11 @@ name = "globe_3d"
 version = "2023.11.12"
 
 licenses = "MIT"
-tags = [ "gl", "opengl" ]
+tags = [ "gl", "opengl",
+         "rendering", "graphics", "3d-rendering", "3d-graphics",
+         "space-partition",
+         "collision",
+         "portal" ]
 website = "https://globe3d.sourceforge.io/"
 
 authors = ["Gautier de Montmollin"]