Very strange things have happened all over the world. As a professional detective, Rachel Holmes is already dealing with this case, but she needs your help! Your task is to find the differences between thousands of pictures while viewing them. You can also travel the world, find all the clues online, and help Rachel Holmes solve this mystery. If you like to look around and appreciate every detail of the world, or if you like to keep your brain active and agile while having fun, don't miss this game!