A run is a string of three or more consecutive cards of the same suit, whereas a set is made up of three or four cards of the same rank. Depending on the versioludo downloadn being played, each player starts the game with a certain number of cards. With the top card turned face up to begin the discard pile, the remaining cards make up the draw pile and are arranged face down on the table. Each player takes a turn drawing a card from either pile & then discarding one card from their hand.