The main story of Ghost of Tsushima is around 25 hours long. If a player wants to complete all side quests and explore everything in the game, a full completionist run can take about 45 to 60 hours depending on the extent of exploration and side activities. The Iki Island expansion adds several more hours, with its main story taking 4 to 8 hours and a full completion upwards of 15 hours. Overall, combining the base game and expansion, the playtime can range from about 25 hours for just the main story to 50-60 hours for full completion.