PlusOneisveryinterestingandaddictivegame.Therulesaresimpleandeasytolearn.Whenyouclickoneofthetilesyouadd+1tothenumbersofthenearbytiles(up,down,left,right).Thenumberoftheclickedtiledoesn'tchange!Whenyouholddownatileyoucanseehowthenearbytileswillchange.Yourgoalistomakethesecondboardexactlylikethefirstone.Whenyoucompletethelevelyoucanproceedtothenextone.Thegamedifficultyincreasesaccordingtothelevel.Youmusttrytoreachashighlevelaspossible.Ifyouloginyoucancompareyourresultwithotherplayers.Trytobethebest!Thegamecanbecameverydifficultsobecareful!Itisagoodstarttotrythetutorialsectionofthegame.Enjoy!