Last but not least, keeping a positive outlook & being willing to absorb knowledge from both successes and failures will greatly aid in your development as a Rummy Mars 51 player. In Rusaatakinghmmy Mars 51, players should try to stay away from common pitfalls, just like in any other game. One common error is to keep high-point cards for an extended period of time without a clear strategy for melding them. If someone else goes out first, you could lose a lot of points, so it's crucial to constantly review your hand and decide which cards to keep or discard.