* issues
* todo
-** domino
-** spring/trampoline
-** shelf's logics
-** version 0.0.yymmdd
+** make a semi-transparent plane under the instantiable items
+** manage the physics of the to-be-instantiated with a ghost
+** instructions
+** main menu
+** implement the operations of the buttons
+** create one level per item, then levels with more items
+*** e.g. item1, item2, item1+2, item3, item1+2+3, ...
+** build pipeline
+** magnet
* waiting
+** version 0.0.yymmdd
** do intro video with moviepy
** itch.io's client works with wine: functional tests for windows-itch.io
* maybe/someday