The game is made more exciting and urgent by the popular variation known as "Speed Colour Rummy," in which players have a set amount of time to make their moves. Players in this version must make snap decisions and teye of horus power 4 slotshink fast, which makes it perfect for people who perform well under pressure. In "Team Colour Rummy," another variation, players form teams and cooperate to accomplish shared objectives. The competitive spirit of the game is preserved while teamwork and communication are encouraged by this cooperative approach. Also, some variants add special cards or unusual scoring schemes that can drastically change the dynamics of the game.