If you're trying to work out whether Hall of the Mountain King is worth your time, this hands-on review breaks it down. This is a Quickspin slot, sitting firmly in the very high volatility bracket and paying back an RTP of 95.55%. Visually it's given an engaging visual treatment, with the action running on 25 paylines across 5 reels. Dating back to 2018, it remains a regular pick. If everything lines up, Hall of the Mountain King can pay up to 732,600x your bet. Let's break down what works and what doesn't.
Written by Rachel Kim · Last updated: February 2026
At its core, Hall of the Mountain King is a slot game produced by Quickspin, finished with a clean, modern look and powered by a 5-reel grid running 25 paylines. The result is a very high-variance maths model paired with a published RTP of 95.55%.
Where Hall of the Mountain King earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The very high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Hall of the Mountain King is a dependable option worth a few spins in the demo first.
At 95.55%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Hall of the Mountain King features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
Hall of the Mountain King by Quickspin is a solid offering that delivers good entertainment value. The 95.55% RTP combined with very high volatility creates a well-balanced gaming experience.