diff --git a/SpaceInvaders/Readme.md b/SpaceInvaders/Readme.md
index a610f9b..63e0fbf 100644
--- a/SpaceInvaders/Readme.md
+++ b/SpaceInvaders/Readme.md
@@ -1 +1,7 @@
 To run, you must compile the "src/.../Main.java" file as java aplication.
+
+You can optionally add the following arguments [LEVEL + SEED]:
+  //
+  EASY 123
+  HARD 123
+  INSANE 123