スマフォの歩数計を使って自キャラをパワーアップさせ、欲望の化身「シャドウズ」と戦うタワーディフェンスゲームです。

A tower-defense game uses your smartphone’s pedometer: the more you walk, the more your characters get power-ups to fight against manifestations of unhealthy cravings, called "Shadows."