In fact, Texas gambling laws are relatively strict and only allow residents and visitors to bet on horse racing and greyhound dog racing. Some exceptions to the rule include "social gambling" (such as office pools), bingo, and charitable raffles.
Texas, a conservative state with a large faith-based community, has long considered gambling a vice, so the prohibition on casinos followed suit. Note: It's important to define gaming and gambling because they are two different things. Gaming is participating in legal, state-sanctioned wagering.