To win Phase 10, your goal is to go out first in each round by using up all your cards so that you end up with the lowest score after 10 rounds. To start playing, deal 10 cards to 2-6 players and put the rest of the deck in the middle. Then, have the player to the left of the dealer take a card from the draw pile and discard another card. Keep playing in this way until someone "goes out" by completing phase 1, which is 2 sets of 3, Play each round in this way until someone "goes out" on phase 10. To see a list of all 10 phases and to find out how to play Phase 10 shuffle, read on!. How to Play Phase 10. Whether you're entertaining guests or just passing time, you're sure to get addicted to Phase 10 once you learn the rules of the game. Phase 10 is a fun and easy to learn rummy type game. If you have never played. Phase 10 is another popular card game by Mattel, the makers of Uno. This card game resembles Rummy, but the main difference is that you have to complete 10 different types of match-ups or Phases, in order to win the game..