How many free spins are there in the Great Hall of Spins in Thunderstruck II?
There are tons of free spins in the Great Hall of Spins feature. You can aim to retrigger entry into the Great Hall as many times as possible to boost the number of free spins you’re awarded. For example, gain entry 15 times and you’ll trigger the Thor Free Spins round where 25 extra turns are waiting for you, as well as Rolling Reels’ multipliers.