The game tells the story of the cat that felt underworld. He used to live in a place where the week lasted only 6 days but one day a Monday appeared and everyone went mad. So the cat decided to hide in a safe place. But he felt underground and found himself in a weird place with monsters and other creatures. Now he must find the way out by doing different quests and tasks. He will meet lots of enemies and friends that will help him. The player needs to help the cat with mini-games.