Wildemist Isle is a 3D adventure game with card-based combat. The player's ship wrecked on an island that has been shrouded in mist for months — a mist the villagers cannot explain and cannot escape from, because the sharp reef and protruding sea rocks make departure by boat impossible. Getting off the island means understanding what is causing the mist and ending it. While investigating, the player completes quests for villagers, searches for treasure, and solves puzzles; outside the village, encounters with monsters lead into card game battles where the available cards are determined by what gear the player currently has equipped. New items come from the market, from defeating unique enemies, and from exploration. Damage taken in fights persists until the player can heal, making overstaying in the wilderness a genuine danger.