"Mad Father" is a 2D horror adventure game developed by Sen and released in 2012. Players control a young girl named Aya Drevis, who explores her family's eerie mansion while uncovering dark secrets about her father, Alfred Drevis. The game features puzzles, exploration, and survival elements, with a focus on storytelling and atmosphere. The narrative revolves around themes of madness, family, and morality. As players progress, they encounter various supernatural entities and must make choices that affect the outcome of the story. The game has gained a cult following for its unique art style and engaging plot.