itch.io

I haven't played your game yet but part of the challenge of the jam is figuring this out for yourself. So you have to think of the term "monster"  (you can look it up on various web sites) and all the different meanings it can have. You then need to think about how some of those meanings can be added to the story you want to tell in your game, or how a mechanic in the game might somehow hint at another meaning. For example, a monster can be a creature (which I think is what you did?) but a monster can also be a way a character (or a business) behaves that hurts other people or creatures. There are also other meanings.

Once the jam is over you'll see how people have done this in their games so have a look. Then, when you enter the next jam, think about how people in this jam thought about the theme and try to do that for your project.

However, for this jam, you still have time to work on your game a bit more if you want to and have time. Just upload a new version when you're ready.