This is my submission for Ludum Dare #26, with the theme minimalism. The game's called grow. I'll leave you to work out the rest.
You can play it here. Currently only been tested on Chrome, but I will be making sure it works at least on Firefox.
If you like the game, don't forget to vote :)
git clone firstname.lastname@example.org:hughsk/ludum-dare-26.git cd ludum-dare-26 npm install npm start