diff --git a/extra/bubble-chamber/hadron-chamber/hadron-chamber.factor b/extra/bubble-chamber/hadron-chamber/hadron-chamber.factor
new file mode 100644
index 0000000000..4046724b82
--- /dev/null
+++ b/extra/bubble-chamber/hadron-chamber/hadron-chamber.factor
@@ -0,0 +1,8 @@
+
+USING: ui bubble-chamber ;
+
+IN: bubble-chamber.hadron-chamber
+
+: main ( -- ) [ hadron-chamber ] with-ui ;
+
+MAIN: main
\ No newline at end of file
diff --git a/extra/bubble-chamber/hadron-chamber/tags.txt b/extra/bubble-chamber/hadron-chamber/tags.txt
new file mode 100644
index 0000000000..cb5fc203e1
--- /dev/null
+++ b/extra/bubble-chamber/hadron-chamber/tags.txt
@@ -0,0 +1 @@
+demos