Summertime Saga is an adult-themed dating simulator and visual novel game developed and published by the independent game developer, DarkCookie. It was first released in 2017 and is available on Windows, Mac, and Android devices. The game follows the story of a young man whose father has recently passed away, leaving him with a large debt to the mafia. The player takes on the role of the main character and must navigate his way through his daily life, attending school, interacting with various characters, and completing quests to uncover the truth behind his father's death and pay off the debt. As the player progresses through the game, they can build relationships with different characters, including their classmates, teachers, and other residents of the town. These relationships can lead to romantic interactions and even sexual encounters, depending on the player's choices.