Side-scrolling 2D sandbox adventure Terraria launches on PlayStation Vita in early December 2013, publisher 505 Games has confirmed to Eurogamer.A 4th December release date was spotted in an advert in this week's issue of MCV byVideoGamer.com.An official announcement is due shortly, 505 said.The game first launched in 2011 for PC, and has since sold a whopping 2 million copies. It's also out on home consoles and mobile.