Astroneer's Megatech DLC has just arrived, and in case the name didn't give it away, it's all about building colossal megastructures. The expansion brings a new level of scale to one of the best sandbox games I've ever played, with several new building types that expand your endgame potential and let you put all those gathered resources somewhere useful (or, at the very least, pretty). Perhaps best of all, the most valuable addition is actually available for free, whether you buy the DLC or not.Read the full story on PCGamesN: The Astroneer Megatech DLC makes my favorite space sandbox a lot bigger, but its best feature is free for everyone