Omg this is fun. The color palette is nice, the music is very nice (I find that the sound and the fire kinda matching the beat, idk if it's intentional or not but that's very cool for me). It would be better if you also add control for arrow keys as well, I think for a game without mouse movement using arrow keys is easier. (imo, different from other comments but I don't think making holding the button to move several tiles is a good idea, the fire kinda require more precision and I think pressing the buttons is better)