Feliz House Escape

This is a wonderful house from the outside as well as from the inside. It belongs to your uncle who is a big puzzle lover. Uncle will be leaving for office and he has promised to take you for a lunch in one of the most expensive restaurants in town but he has put up one condition. He has given you the address to his office and challenges you to get to him by unlocking the door which he will be locking while leaving for office. He also tells you that he will leave behind many clues in the different spots inside the house. You can find them and use them to escape from the locked house. So, do you accept the challenge?