You need to get your soul rating up. Your goal is a soul rating of 100%. This will not be easy as there are really only two ways to increase your soul rating. First, you can be exposed to soul energy, and second you have to complete core training. This game is all about puzzles. Use your mouse to interact with everything. Click on an item to store it in your inventory. Click and drag an item from your inventory to another item in order to use them. Nothing will happen if you didn't use it right. So, get your soul rating up to 100% and have fun in the process.