Came across this today from a RockPaperShotgun article and have to say it's simplicity while being strategic is great, love it! My first game just playing to get through it, I managed to save 94 people. I decided to play again and finally got tired of waiting for new land to spawn and saved 823 people.
My biggest 2 "complaints" right now are a lack of ability to pause (and/or save) the game as well as to adjust audio/music volume.
Overall super fun though, thanks!