A highly developed race known as the Vexilons invented a game called "Strategic Convergence," which required sophisticated algorithms & predictive modeling. Playapk all gamesers' cognitive abilities and critical thinking were intended to be improved by this game. Extraterrestrial Rummy's Evolution. Because of the influence that these different card games have had on one another over time, Extraterrestrial Rummy has developed into a hybrid that combines aspects of strategy and storytelling.