Thunderstruck II at u388 Malaysia
Microgaming's Norse mythology slot and the Great Hall of Spins — the four-level bonus that unlocks the more you play it.
Play at u388 →Thunderstruck II is Microgaming's 2010 Norse mythology slot with 243 ways to win and a 96.65% published RTP. Its Great Hall of Spins bonus opens four levels — Valkyrie, Loki, Odin and Thor — that unlock as you trigger the feature repeatedly.
What makes Thunderstruck II different
- Released by Microgaming in 2010, Thunderstruck II runs on 243 ways to win rather than fixed paylines, so every adjacent-reel combination from the left pays without you choosing lines.
- Its published return to player is 96.65%, which is high for a feature-heavy slot and one reason the title stayed in Asian lobbies long after newer releases arrived.
- The Great Hall of Spins is the draw: four bonus levels — Valkyrie, Loki, Odin and Thor — unlock progressively as you trigger the feature more times, each with its own free-spin count and multiplier behaviour.
- At u388 it sits on the slots shelf, earning the 1% rebate and counting towards the 100% slots welcome bonus available from a RM 30 deposit.
Frequently asked questions
Do I have to unlock the Great Hall of Spins levels in order?
Yes. The first triggers give you the Valkyrie round, and Loki, Odin and Thor open as your trigger count on that account grows. The progress belongs to the account, so it carries between sessions.
Is 243 ways better than 25 paylines?
It is different, not automatically better. Ways-to-win pays more often in small amounts; a 25-line game concentrates the same return into fewer, larger hits. The published RTP is what compares them fairly.
Can I play Thunderstruck II in demo mode at u388?
Most slots in the u388 lobby offer a play-money demo, which is the sensible way to see how the Great Hall levels behave before staking. Real spins need a funded account, from the RM 30 minimum.