Dayfell

You can download the game for android, Mac OS, and Windows from the website at https://dayfell.com 

It's in very very early development, but all the news and updates can be found on the website as well. We're pushing a few versions every day right now while we build up the player base. It's a co-op game, but is designed to be played alone for the most part. Build a base, build a camp, defend, scavenge, it's fun, and available on most devices.