Root Letter: Last Answer is an interactive visual novel adventure game for the Sony PS4, belonging to the mystery genre. Players unravel the story of Aya Fumino, a pen pal who allegedly committed a murder 15 years prior, by exploring her hometown, questioning her friends, and solving puzzles. The game combines lifelike full-motion video (FMV) sequences and beautifully illustrated artwork. Players make choices that affect the storyline's outcome, leading to multiple endings. Its engaging narrative and a strong emphasis on character-driven storytelling craft an immersive experience.