diff --git a/tetris/src/blocks.rs b/tetris/src/blocks.rs
index 7ca8236..ec4bcc1 100644
--- a/tetris/src/blocks.rs
+++ b/tetris/src/blocks.rs
@@ -1,7 +1,25 @@
 use super::*;
 
 // TODO:
-// - When shape asset is updated, shape should update in real time
+// - When shape asset is updated, shape layout update in real time
+// - Rotating shape when arrow up pressed
+// - Shape moves left/right/down when respective keys pressed
+//   - Add Orientation component
+//   - Add functionality to ShapeLayout
+//   - Write tests before functionality
+// - Debug: gizmo outline entities
+//   - conditional enable/disable
+//   - entities without mesh should draw empty cross
+// - Debug: gizmo draw relationship lines
+//   - conditional enable/disable
+// - Debug: show FPS
+//   - conditional enable/disable
+// - Line entities
+// - Debug: Nametags
+//   - If it has a Name component, display that at the same Translation
+// - Disable shape when placed
+//   - Assign shapes blocks to lines
+// - When line full, clear it
 
 /// Create tetris game with camera that renders to subset of viewport
 ///