Open the door and find out what's behind it! Exciting timekiller game without the Internet! Do not disturbed the cat, this isn't a virtual talking pet, it is annoyed by funny pranks. Tired of solving puzzles of 100 doors and escape from the room? Fascinating clicker time killer for pranksters! Push, this isn't a red button, there will be no explosion. Knock Knock! Open the door and solve the mystical puzzle - who is hiding in the room. Do not annoy the cat! Don't click on the virtual pet, knock on the door! Exciting timekiller arcade. A exciting clicker works without the Internet and does not take up 100 or 1000 megabytes of memory! A funny prankster arcade based on puzzles and escape from the room will give you a good mood and will serve as an excellent time killer. The cat has a friend - not talking woodpecker. The mystical mystery of the door will surprise you no worse than a logical puzzle, story quest or arcade about the escape from the room. Click soon to find out the truth! Knock Knock! Open the door and find out the truth.