In June 2015, characters from the "Angry Birds" RPG "Angry Birds Epic" (2014) appeared as playable characters in "Sonic Dash" during a three-week promotion, while Sonic was added to "Angry Birds Epic" as a playable character the following September. Similar crossovers with the Sanrio characters Hello Kitty, Badtz-Maru, My Melody, and Chococat and the Namco game "Pac-Man" took place in December 2016 and February 2018. In November 2016, a "Sonic" expansion pack was released for the toys-to-life game "Lego Dimensions" (2015); the pack includes Sonic as a playable character, in addition to "Sonic" levels and vehicles.