MeggieSoft Games Rummy 500 is a comprehensive implementation of the popular card game also known as 500 Rum. Play against an online opponent or against your computer. Rummy 500 has a rich user interface with many customizable visual, audio, and game options Rummy 500 is a game of taking and melding cards with the object of scoring more points than your opponent. The first player to 500 points wins the game.