10 *** tests (unit tests and functional tests)
11 *** management of error and success (upload builds, itch.io)
14 ** do intro video with moviepy
16 ** intro animation (from target item to start position)
17 ** buttons of the scenes enabled sequentially
18 *** each scene has a version
19 *** when you win save the id + version
20 *** put an "update" if id is saved and versions are different
21 ** teeter-tooter with constraints (real teeter tooter), magnet, road cone, bucket
23 ** itch.io's client works with wine: functional tests for windows-itch.io