What's New In Space Engineers?

Alot seems to have changed in the many years since I've last seen this game in its alpha state, from new guns to factions to hidden secrets that we're bound to discover. Our goal is simple, engineer a fully functioning space ship from rocks and conquer the entire system by ourselves against hordes of upsetti spaghetti pirates. Will we be able to use our knowledge from other games to successfully conquer space, or will we crash before we leave orbit? Join me as we find out in Space Engineers.