Looking good intro/cutscene here is my feedback :
+ Platformer parts are good mushroom are not too fast or too slow.
+ story is interesting
- Find a bug that NPC (August) stands floating off ground in the cutscene.
- I finish the demo then back to the menu and I can't quite a game.
- Can't press "S" to go down the ladder, arrow keys are fine.
? (suggestion) In the room background and floor need more contrast, like making the floor the same color as the ladder.