Mate In One Home Mate In One 0.0 / 5 ( 0 votes ) Your Rating? Discover Mate In One – Play Free Now on GameHard! The white and black pieces are at it again. Let's see if we can find a winner once and for all! Pay attention to how the pieces are set and find the solution. Place your piece in the perfect spot and solve the board in one move. Can you complete all of the levels without hints? Come play now and let's find out! Categories in which Mate In One is included: Soccer Sports Ball