diff --git a/README.md b/README.md
index f7ca8b0..280c0dc 100644
--- a/README.md
+++ b/README.md
@@ -22,4 +22,7 @@ Core gameplay principles
   * Falling tiles *Assigned to Hugo*
   * Stay a while mechanic *Assigned to Antoine*
 
+###Possible traps/pick ups
+* Slow down time
+* Transparent structures