Fields of Mistria 1.0 release date is August 5, 2026, at 12:00 PM ET (UTC-4). Related Stardew Valley Fans Should Check Out These 10 Steam Holiday Game Deals Some outstanding games that are likely to appeal to Stardew Valley fans receive deep discounts during Steam Winter Sale 2025. When Is Fields of Mistria Coming Out? Close Image via Game Rant; Source: NPC StudioImage via Game Rant; Source: NPC StudioImage via Game Rant; Source: NPC StudioFields of Mistria will come out on August 5, 2026, at 12:00 PM ET (UTC-4). Image via NPC StudioFields of Mistria 1.0 will be the major update for the game, marking its full release after two years in Early Access.