Nice game, enjoyed it!
The large amount of different items is nice but I think it could be interesting if some of them did more than just providing fuel for the fie. Also I noticed the longer I played the game didn't seem to get any harder and it kinda stayed the same the whole time. Also changing the difficulty of enemies like adding more health, making the attacks deadlier as time progresses would make it also more enjoyable and challenging because now you can just kill them with one shot.
But still, I like the idea of the game and how it played. Good job!