Underworld Empire (Ka Gaming) Slot Demo & Review

Underworld Empire might lack any bonuses or modifiers in the base game, but once the main feature has been triggered, it's possible to win up to 40 free spins, and you'll be guaranteed to have one of the premium symbols always land as a double. Furthermore, once the feature is active, all premium symbols can be activated on random spins to count as doubles, increasing your chances of hitting a substantial payout.

Reasonable