Click ‘start game’ then choose ‘lose’ or ‘win’ lose means if any player try a number and the game makes the BOOM sound, that player will lose. win is the same to lose next, choose how many players (click) choose 1 means only you wants to play choose more than 1 means, it is multi player, if first player tried a number, the first player should give the computer to the second player and the second player will try a number until the last player tried their turn. if the last player tried, he should give the computer to the first player. finally, you should choose a minimum number and the maximum number. but DON’T type number like this: 12.34.5*79/9 and you should click start now!