Reign of the Mountain King — Free Demo

About Reign of the Mountain King

Reign of the Mountain King is a high-volatility slot from Light & Wonder, wrapped around norse, fantasy and royal. You can play the full demo right here on SpinGrade — no sign-up, no deposit, just play-money credits so you can learn the game before risking anything.

Under the hood, Reign of the Mountain King is built on a 5x3 layout, lines wins and features like Multiplier, Wild, Sticky Wilds, Respins and Symbol Collection. The bonus side of the game is where the interest sits — landing the extras is what turns an ordinary spin into a memorable one.

Reign of the Mountain King is listed with an RTP of 96%, right around the industry average — a typical figure for a modern online release. RTP is a long-run theoretical average, not a promise for any single session, but it is a useful yardstick when you compare titles. Volatility is high, meaning wins land less often but tend to be bigger when they do — expect real variance. Playing the demo first lets you sense that variance without any downside.

The headline max win is capped at 10,000× your stake. Numbers like these tell you what the game is built to do on its best day.

Playing the Reign of the Mountain King demo is simple: press “Play Demo”, wait for it to load, and you are in with play-money. Nothing is wagered and nothing is owed. It is the sensible first step before deciding whether to play for real anywhere.

When you are ready to play Reign of the Mountain King for real money, our top-rated crypto casino is BitGuruz — fast payouts, a huge library and a verified 4.6 on Trustpilot. Reign of the Mountain King launched in 2021 and it plays exactly the same for real as it does in the demo, just with real stakes and real wins.