Kick out humans and keep the reef alive!

We'd like to introduce our jam entry, Crab It Alive!
Give it a try at https://ldjam.com/events/ludum-dare/46/crab-it-alive
We had a great time making this game and we want to share it with you. So we are preparing a postmortem to explain how we crafted the game's graphics, sound and code.
:crab: Play and have fun! :crab: