Mah Jong is very popular in Japan, and is played in several variations.
Hanafuda (flower cards) - a special 48 card pack with four cards representing each month or flower - are used for several fishing games, notably Hachi-hachi (88). There is also a banking game Kabu (nine), which is similar to Baccarat, and is played with 40 of the cards, the ten flowers representing numbers from one to ten.
Unsun is a trick-taking game played with a special 75 card 5-suited pack which has evolved from old Portuguese designs. The game almost became obsolete but is now recognised and continued as a cultural treasure.
Mekuri fuda was the name of several types of 48 card pack, also loosely based on old Portuguese cards. These have become almost obsolete in the last 50 years, but one type - Komatsu - is still used at Yafune in Fukui prefecture to play Kakkuri - a stops-like game. See KUROMIYA Kimihiko: "The last komi game of Japan" in The Playing-Card Vol 33 No 4, pp232-235.
Kabu fuda was the term for several designs of pack consisting of four copies of a single ten-card suit (either batons or coins) - nine numerals and one court card. Often one or two bonus cards are added, and one of the fours and one of the threes is overprinted as a bonus card. It was presumably used for a Baccarat-like game, similar to the Kabu played with flower cards (see above).
Tehonbiki consist several sets of numeral cards from one to six, usually of the coins suit. They are used for a banking game, in which the banker selects a card from one to six and the players guess which card the banker has chosen.
This is a pack of 200 cards: 100 of them have texts of poems and the other 100 depict the corresponding poets. There is a game which involves matching the poets correctly to the authors. halves correctly to form complete poems. Another game, called Ao Kammuri (or Iro Kammuri) is s simple type I beating game played with just the 100 picture cards, which are divided into six groups (ladies, priests, etc.)
Goita is a game played with 32 cards depicting pieces for Shogi (Japanese chess) or with tablets resembling actual Shogi pieces.