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About Sio and Mysterious Forest

Sio and Mysterious Forest is a survival simulation game about exploring a dangerous forest and overcoming its dungeon challenges. You play as the adventurer Sio, gathering materials, food and water in the forest to bring back to your base. There, you can craft supplies, turn materials into weapons or ship goods to the city to earn money for further adventures.

Sio's story

While exploring outside the city, Sio helps a villager and visits their poor, self-sufficient village. The villagers say that the nearby forest has become abnormal: its monsters have grown more violent, making the forest difficult to approach. Driven by her love of adventure and strong sense of justice, Sio enters the forest to find the cause and help the villagers, unaware that she is beginning a harsh trial.

The forest, known as the Mysterious Forest, threatens the ocean city of Ishwald. As you take on increasingly difficult missions, you can earn valuable treasures, materials and weapons to help you push farther into it.

Quests and survival

You choose quests and venture into the forest to fight its monsters. Battles call for strategic decisions about defending against attacks, the various status effects and the temperature. Poison, paralysis and confusion are among the afflictions you may face, alongside chills, colds and despair, all of which can hinder your progress through the dungeons.

Weapons and crafting

You can find weapons while exploring, each with different properties. Use the “Imitation” system to make stronger weapons, and using a weapon in combat when you do not yet have its recipe can sometimes teach you that recipe.

Materials, food and water brought back from the forest can be crafted at your base, made into weapons or shipped to the city for money. These resources help support your expeditions.

The Sunny Cloudy World

The game also features the familiar “Sunny Cloudy World” for exploration.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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