All players advance a phase each round and the winner is determined by the player with the lowest score rather than the player who completes phase 10.A few variations are suggested that can help out when crunched for time. Variations Of Phase 10īecause you are guaranteed at least 10 rounds, and often many more, a game of Phase 10 can take a while to play. For example, adding 1 or more 4s to existing set of 4 or adding a 2 too existing run of 3,4,5,6. Only cards that fit the existing phase can be discarded. Only players who have completed a phase can hit a phase. You can hit your own Phase or another players Phase. Once a phase is completed in a round, players can discard one or more cards by hitting the Phase.