There was an announcement from the creator, Junya Inoue, who stated a gaming app has been green-lit. He has revealed a visual promo for the game. 
New updates from Asobimbo, an online game company, there will be a full-scale 3D environment for multiplayer battles. 
According to Masato Hayashi, the producer of Asobimo's Btooom! Online game app, states if the game app ranks in the top 5 of Japan's app sales chart, a 2nd season of the anime will be made.