"Castles is the spiritual successor to Fallout Shelter, the popular vault-building mobile game that puts you in the role of an Overseer. In Castles, you’ll take on the role of the right hand of the king (or queen) and manage your kingdom. You’ll build the castle of your dreams, rule over your subjects, and make critical decisions about your kingdom’s future as you build your dynasty.  "

I love Fallout Shelter so a new free to play game from Bethesda sounds incredible. Fallout Shelter started on phones and eventually was ported to everything including PC so I hope the same thing happens here. Also.... Fallout Shelter 2? This may be the next best thing.