Successful Rummy Rocket players are ultimately those who can modify their tactics in response to the changing dynamics of the game while keeping a closerummy all apps eye on what their rivals are doing. With multiple variations to suit varying tastes and ability levels, Rummy Rocket is not a game that is meant for everyone. A well-liked variant is "Rummy 500," in which players can score points for both picking up cards from the discard pile and melding sets & runs.