Narrative adventure game Wonderfall will launch for PC via Steam on December 9, developer Attaboy Interactive announced. The game takes place in a collapsing 1920 Paris, where a mysterious force known as Entropy is consuming monuments, streets, and lives. Players control Leon, a young orphan able to manipulate sand, as he uncovers the truth behind Entropy and the city's downfall. Wonderfall features a character-driven narrative with over 2,000 lines of dialogue, atmospheric world design, and six to eight hours of narrative-driven exploration.