Traditional casino and gambling games (e.g. slots, bingo, poker etc.)
Games primarily about playing bingo with others.
Example games: Bingo Blitz, Bingo!, Bingo Blingo
Casino games primarily focusing on poker, blackjack or other casino card games.
World Series of Poker - WSOP
Example games: World Series of Poker - WSOP Poker, Zynga Poker
Casino games with focus on slot machines
Example games: Slotomania, Big Fish Casino, Scatter Slots
Games that combine gambling-elements with casual gameplay. These games often have a casual “casino-style” core gameplay (e.g Slots) matched with deeper meta such as town building and social elements.
Example games: Coin Master, Pirate Kings
Casino games which don't focus on Slots, Bingo or Poker. For example, Chinese mahjong and fish-shooting games go here.
Example games: Higgs Domino:Gaple qiu qiu, 腾讯欢乐麻将全集