I think with a little more work this could be a fun little jam entry. The art style and gameplay have potential. Some music and sound effects would improve the game a lot. There are plenty of places to find free ones. There's also a problem that sometimes you can't hit the little guys with your fire breath because it's not 360 degrees. I understand that it's a Game Jam and you're alone, but in the Mini Jam you can actually make improvements to the game during the rating period, as long as you still provide a download for the original submission. 

Neat idea! I do wish there were more house spawns or/and the house changed positions when destroyed. There could also be a counter for how many houses you burned down as some sort of score

Fun arcade game. If the visuals of the score could be more animated to hype up the killing of the villagers that can improve the game feel. 

I got stuck many times by the villagers and thats how i lost but, that can be a fun dynamic if you can escape from that state of getting stuck. The villagers die before the fire touches them, so, an anim player or tween can fix that by animating the size of the collision to make the fire more believable. Oh, and when you start the fire it always faces to the right unless you are pressing left, that can be very tricky to manage.

Overall, a good game with pretty visuals that are really cool!

Fun game! and love the art!