Rapid decision-making is essential in rummy, in addition to memory abilities. Particularly in fast-paced games or online formats, players frequently lack the time necessary to weigh their options before acting. Gaining the aspin and winbility to assess your hand quickly, think of possible combinations, and predict the tactics of your opponents can greatly improve your gameplay. Whether playing online or against friends, practicing in a variety of settings can help hone these abilities over time and eventually result in better performance in competitive situations. Rummy mastery via practice. Rummy requires practice to become proficient, just like any other skill-based game.