Greetings! Thanks for the comment!
All the information is in the game, if you click on the info button.
Information about the key is in the castle scene. The info button also contains information about the key and its location.
I agree with the expansion. The game was made during a jam, about 13 days. I made the game alone. With little resources and time. If I have time and inspiration, I will make a second version, improved.
Movements in the yard, animations occur within a few seconds. The game is turn-based. Animation per second is designed to reflect this. Maybe it can be accelerated. But then I need to agree on the length of the sounds. As I said, there is little time. With each step the player can lose a life. You need to monitor this. If I take into account all the player's commands, this can lead to uncontrolled behavior and, as a result, the unexpected death of the hero. One second is a compromise between controllability, animation, turn-based moves and limited development time.
Thank you for playing the game!