Check out my tower defense game! Would love feedback

So, me and a couple of friends made a survival/tower defense game for this Ludum Dare. The game is pretty simple, and I explain everything at it's itch.io page, so check the description if you go there.

Here is the link to the game's page with the download: https://ldjam.com/events/ludum-dare/38/goblin-assault

(Sorry for not having many screenshots to share. Although you can find some on the itch.io page, I couldn't find myself time to take enough of them :( )