505 Games and Re-Logic announced today that they will be releasing Terraria, the 2D action-adventure sandbox, for Wii U and 3DS in early 2016. They promise more information as the release date draws closer, but have shared the artwork for the new boxes. The post on their forum also teases the possibilities of the dual screen interface.
Terraria was originally released for Windows in 2011 and has spread on to most platforms since. As of this year, there have been over 12 million copies sold world wide. If you’ve never played, give some game footage a watch - YouTuber HERO has a half an hour video of hardmode bosses recently uploaded that is impressive.