Canasta is a popular card game most commonly for 4 players. The rules look somewhat complicated on paper, but the game is easy to pick up once you get into it. The game is about matching cards of the same rank, and each card has a unique point value assigned to it. Make as many matches as you can to build your point total and beat your opponent. There are many different rule variations in use, but start with the original rules to become a canasta master