Rival software is outstanding offering a fantastic range of colorful slots that cover every possible theme, style, and era. Thunderbird slots is another winning slot game from Rival that takes players to the tribal spirits where masks, drums, feathers, fir cones, serpents, thunderbirds, and interesting symbols fill the screens. There are five reels and fifty paylines to this game that can be played for fun and real money. Players can place up to $50 in real money bets when playing Thunderbird slots and choose from a variety of different coin sizes that range from $0.01 up to $1. There is an auto play option for players who like to preset the number of spins the game runs for and at any time the player can stop the auto play and move back to manually hitting the spin button for every bet.