popular feature found in other tetrises

diff --git a/TODO b/TODO
index 4d1f0065e10f88edf7ec53895393abfda2d5b4b2..6ba9539a1dadc0ed4157418881af31b9753e3789 100644 (file)
--- a/TODO
+++ b/TODO
@@ -45,6 +45,7 @@
  * extra alarm event for effects
        * line clear animations (flash)
  * multiple next pieces
+ * hold
  * special blocks
        * inventory
        * player keys