One word at a time. A start gives you 5 guesses for that game, and that's it: miss all 5 and you wait for the next word (the first 111 games are free). Each guess is signed by your wallet and checked privately: nobody sees anyone else's guesses. The first player to solve the word wins it: your board, minted on chain with the word showing. Every win comes with a free play. When someone else solves it first, the game is over for everyone and the next word starts.