The main types of card games that exist include Cribbage, Rummy, Solitaire, Poker, and Bridge.
The basic Rummy card game involves all the 52 cards that comprise standard deck. The main objective of the game is to dispose of all your cards in number sequences of a similar suit as well as in 3 or 4 of a kind.
Solitaire is mostly played solo though its original format involved multiple players. The British usually refer to it as Patience. Its online format is a most popular game today.
Cribbage involves discarding two cards into a crib. The game makes use of a special board that has holes and pegs that are used in counting the points. To score points you need to have combinations that sum up to 15 and pairs and runs as well as three of a kind.
Poker involves bluffing of hands and making of wagers with the wins at stake involving either money or poker chips. Players aim for flushes, suited card sequences, and a full house, i.e. a pair and 3 of the same.
Bridge is perhaps the most difficult card game. It involves tricks and bids that have to adhere to bidding signals and complex conventions. As you can see, there are more card games than roulette games which make card games way popular. None the less, roulette is also in the top 10 of casino games, as you can see here: http://roulettecasinosonline.com/.
If you prefer to play something different to card games, why not try your luck with slots at a safe and secure online casino?