Community Status Updates

Is it a good idea to assume a awesome game four years old is about to get an update when achievements suddenly appear overnight, some pertaining to things that aren't in the game. For example, a new event, awesome item and another boss. Also seeing as they had been talking about an update nearly half a year. Oh yeah, and there is a trailer for it. That is a good way to tell...http://terraria.org/news/good-bad-i-m-the-guy-with-the-yoyo-the-terraria-1-3-official-trailer