LEGO Dimensions decides Batman and Gandalf aren't enough, adds Portal 2
Amazon.com: Lego Dimensions Starter Pack + Portal 2 Level Pack + The Lord Of The Rings Legolas Gimli Gollum Fun Packs for PS4 Playstation 4 Console : Video Games
LEGO Dimensions Confirms Portal 2 and Doctor Who Level Packs
Portal' Lego concept could become an official product - The Verge