Summertime Saga is a visual novel style dating sim video game developed and published by DarkCookie. The game takes place in a small town where the player takes on the role of a young man who is trying to navigate through his final year of high school after the sudden and mysterious death of his father. The gameplay is centered around exploring the town and interacting with various characters, building relationships, and completing quests. The game features a wide range of characters, each with their own unique personalities and storylines. These characters can be romanced by the player, leading to different outcomes and endings depending on the choices made. Aside from the dating aspect, Summertime Saga also includes mini-games and puzzles, as well as an inventory system where the player can collect and use items to progress through the story. The game also has a day and night cycle, with events and activities that can only be accessed at certain times.