CATsle Builders (Chatpentiers, 猫の城大工) is a trick-taking game for 3 to 5 
carpenters, in which 2 or 3 winners of a trick take some of the cards and place them in one of the columns under their board, trying to match the card limit of the respective columns. Each card under a board is worth 1 point, but going over the limit causes all this score to be lost and all the extra cards are then worth -1 point. There's also a cumulative bonus for matching the limits of 2 or more columns exactly.
The game is played for 1 to 3 rounds, and the end the player with the highest score can claim the title of the best castle builder of the land.
carpenters, in which 2 or 3 winners of a trick take some of the cards and place them in one of the columns under their board, trying to match the card limit of the respective columns. Each card under a board is worth 1 point, but going over the limit causes all this score to be lost and all the extra cards are then worth -1 point. There's also a cumulative bonus for matching the limits of 2 or more columns exactly.The game is played for 1 to 3 rounds, and the end the player with the highest score can claim the title of the best castle builder of the land.