Thunderstruck II — slot review

The sequel to the Thor classic that raised the bar for the entire industry back in 2010. At the heart of the slot is the Great Hall of Spins, offering four free-spin modes: Valkyrie with a x5 multiplier, Loki with wild magic symbols, Odin with ravens that turn symbols into stacked wilds, and Thor with rolling reels and multipliers up to x5. The modes unlock as you retrigger the bonus, which keeps you coming back. The random Wildstorm feature can blanket up to five reels with wilds at once. This is a slot for the patient: its full potential only reveals itself over the long run, but the sense of progression feels like a genuine adventure.