Work started on a sequel to Shantae using the two screens. Despite presenting the concepts to a number of publishers, they were ultimately unsuccessful at securing a deal. Because of the large number of Shantae related assets that were produced, including 3D models, WayForward frequently uses them when trying out new technology or development platforms. In 2004, the company was contracted by THQ to produce a chat game called Ping Pals for the Nintendo DS. Despite the tight timescales involved in developing the game, WayForward used the opportunity to obtain development kits for the platform. The game was received unfavourably by the majority of critics and gained only a single positive review. In 2006, the company produced and released Justice League Heroes: The Flash just as the Game Boy Advance was reaching the end of its commercial life cycle, which met with largely positive reviews. WayForward has gone on to develop further titles for the Nintendo DS. Looney Tunes: Duck Amuck, based on the 1951 Warner Bros. cartoon Duck Amuck received mixed reviews upon release. On February 19, 2008, John Beck and Matt Bozon were speakers at the Independent Games Summit, part of the 2008 Game Developers Conference, discussing a range of issues facing independent games companies. Lit was announced on March 5, 2008, and was released on February 9, 2009, for the WiiWare online shop platform. A new game in the Shantae series was considered for the platform. WayForward introduced a new character named Alta, who is a pink-haired girl that wields a scepter. She represented a new intellectual property. This was revealed on March 9, 2009, to be a DSiWare game called Mighty Flip Champs!. WayForward created Mighty Milky Way, another puzzle platformer with a new character named Luna. Its sequel, Mighty Switch Force!, was released on the 3DS eShop on December 22, 2011, with a sequel two years later called Mighty Switch Force! 2 on the Nintendo 3DS' eShop. Adventure Time: Hey Ice King! Why'd You Steal Our Garbage?! was released on November 20, 2012. A sequel, Adventure Time: Explore the Dungeon Because I Don't Know!, as well as Regular Show: Mordecai and Rigby in 8-Bit Land, were released in 2013. A sequel to Mighty Switch Force! was released on June 13, 2013. A new Shantae game was revealed via Nintendo Power, Shantae and the Pirate's Curse, which was released on October 23, 2014, on the Nintendo