Karta doppio is an abstract game from the family of 4 rows. Material is 14 translucent cards in 1st edition, 16 translucent cards in the most recent edition, divided in 2x3 square cells with 3 colored dots of 2 colors and 3 free cells. Each player chose a color. The aim of the game is to have the maximum of lines of 4 dots at the end of the game. Each player receives half of the cards at the beginning. Cards are distributed randomly. Each turn, a player plays one card to try to achieve a row. Cells of Cards can be covered but only one time. You have 2 options : you can play with a board (11x11) where some dots already printed on or without board. In the first case, placement is free on the board. In the second case the current card must touch or cover a card already played.