Contract bridge card game software. With more than 53 billion billion deals, Bridge Baron offers you the most complete, easiest-to-use bridge software. Five-card majors, SAYC, Precision, 2/1, Acol, and other bidding systems. Duplicate and rubber bridge. Tournaments. Bidding and play hints at any time. Immediate play, and over 40 other levels of play. Blackwood, Gerber, and many other optional conventions. Five-time World Computer Bridge Champion.