diff --git a/bettergraygoo.js b/bettergraygoo.js
new file mode 100644
index 00000000..bc5bd252
--- /dev/null
+++ b/bettergraygoo.js
@@ -0,0 +1 @@
+elements.gray_goo.behavior = [ ["XX", "CH:gray_goo%25", "XX"], ["M2%5 AND CH:gray_goo0%25","XX","M2%5 AND CH:gray_goo%25"], ["XX","CH:gray_goo0%25 AND M1","XX"] ]