As of 2024, Louisiana and Nevada are the only states in which casino-style gambling is legal statewide, with both state and local governments imposing licensing and zoning restrictions.

Paylines. A payline is a lineup of specific symbols on which a payout will be awarded. Today's slots feature many symbols and paylines. Paylines can line up in horizontal, vertical, diagonal or even zigzag patterns for a win. Plus, you can bet on as many paylines as you want.