Pari-mutuel (from the French, meaning 'mutual') wagering involves pooling of winners' and losers' piles and forming of odds based on the number of persons betting for or against an outcome and is based on horse or dog racing. Texas has had a state lottery since 1991 when the voters amended the state constitution to allow for it, and of course it is legal to take part. There are a number of different forms of gambling legal in the state of Texas. What forms of gambling are legal in Texas?