Press your luck. This post might contain affiliation links. If you buy something through this post, the publisher may get a share of the sale. Updated: May 20, 2026, 1:47 a.m. Last year, Flip 7 took the gaming world by storm with its simple but enthralling push-your-luck gameplay making it appealing to both casual players and hobbyists alike. A part of its success was down to its straightforward probability formula: each card had a number, and there were that many cards of that number in the deck.