This is a strange house by all means because here in this house you will find so many different types of animals. These animals are not harmful but surely you do not want spend too much time with them under the same roof. The exit of the house can be unlocked once you attain the blue key but it is not going to be all that easy. There will be many tasks for you to complete in the process of finding the key. You will see some instructional notes with the animals. You must read those notes and do what is needed to be done. Finding the clues and useful items and being able to use them correctly will definitely demand intelligence from you.