diff --git a/flax/subs/upstairs b/flax/subs/upstairs
new file mode 100644
--- /dev/null
+++ b/flax/subs/upstairs
@@ -0,0 +1,5 @@
+43 : 0.64
+ramp7 : 0.12
+ramp9-stairs : 0.12
+upstairs above : 0.72
+upstairs front : 0.64