Switch Monster Hunter XX Nintendo Switch Ver. demo launches August 10 in Japan Try out three quests ahead of the Switch version's August 25 launch. A demo for Monster Hunter XX Nintendo Switch Ver. will launch via the Nintendo eShop in Japan on August 10, Capcom announced. The demo will include three quests, including one to challenge Valphalk, as well as local multiplayer support for up to four players.Monster Hunter XX Nintendo Switch Ver. will launch for Switch in Japan on August 25.