Mysterious Cave Forest Escape

Everything happened so suddenly and so mysteriously that you could not do anything to stop it. You saw a mysterious door in your backyard and as you went closer to it you got absorbed inside the door without your consent. You now find yourself in this mysterious cave forest. You have to escape from this strange place because this is not where you belong. However, the mysteriousness of the place is such that escaping will be a huge challenge. This does not mean that you should not try. You have to find a way to escape from the cave forest in spite of all odds.