diff --git a/Opa.gitignore b/Opa.gitignore
new file mode 100644
index 0000000..74c6219
--- /dev/null
+++ b/Opa.gitignore
@@ -0,0 +1,13 @@
+_build
+_tracks
+
+opa-debug-js
+
+*.opp
+*.opx
+*.opx.broken
+*.dump
+*.api
+*.api-txt
+*.exe
+*.log