Xumbers Social is a free crossword puzzle game where the words, Xumbers Words, are composed of numbers instead of letters. Each Xumbers Word represents an additive equation; for example, the Xumbers Word 235 stands for 2 + 3 = 5 and 23510 stands for 2 + 3 + 5 = 10. Xumbers Social adds Facebook integration to Xumbers allowing you to compete with your Facebook friends while playing against your mobile device. You can post your highest scores to your Facebook page and view a leaderboard of your friends highest scores.Like Scrabble, Xumbers Social is addictive and challenging for kids and adults. No matter what your age, you will Get Your Math Game On with Xumbers Social.