Because players of rummy must continuously evaluate their hands and make decisions based on the cards in play, rummy also helps to improve cognitive skills like memory, concentration, & strclassic casino slotsategic thinking. An Enjoyable Method to Decompress and Rest. Rummy provides an entertaining and enjoyable way to kill time, which makes it an excellent way to decompress and wind down after a hard day. The competitive aspect of the game offers an exhilarating and challenging experience that can be both mentally stimulating and fulfilling. favorable effects on mental health.