Mummy knocks

I made this game for Curdle Jam #7, 2020. The theme of the jam was "opportunity knocks." The game has two levels, which you can choose in the beginning. There also is a video tutorial. Instructions: Steering with w,a,s,d, space to jump or open the chest while touching it, hit "h" to return to the menu. One of the chests contains a key, which can unlock the door to freedom. The "good chest" with the key makes a knocking sound every 12 seconds. The closer you are to the chest, the louder the knock...