Crystal Caverns Megaways Slot Review
Crystal Caverns Megaways is the rare frozen-themed slot that plays warmer than it looks: the frost and the teal glow are pure decoration, and everything interesting happens in a multiplier counter that quietly ticks upward while the reels sort themselves out. That counter is the whole game, and it’s a better reason to spin than the cavern it lives in. Pragmatic Play built it that way on purpose, and the restraint works.
The game runs on a 6×7 grid with up to 200,704 ways to win, at 96.46% RTP with medium volatility. Stakes run from 0.20 to 240 per spin. It sits alongside the studio’s other Megaways work like 5 Frozen Charms Megaways and Great Rhino Megaways, with Big Bass Splash in the wider catalogue. The ice doesn’t hide anything, and that’s fine.
Symbols and Ways to Win
All symbols pay left to right on adjacent reels, starting from the leftmost one, with wins awarded for adjacent combinations of any size. Reel heights change on every spin: reels 1 and 6 can carry up to seven symbols, while reels 2 to 5 go up to eight. The top row of reels 2 to 5 spins independently from right to left. That adds up to a maximum of 200,704 possible ways.
The paytable splits into five coloured gems and the royals, and the gems do all the heavy lifting at the top of the scale. The wild substitutes for everything except the scatter and appears on reels 2 to 6. Every value below is a multiple of the total bet, for 3 to 6 matching symbols.
- Red Gem: 1x / 2x / 5x / 25x
- Blue Gem: 0.7x / 1.2x / 2.5x / 5x
- Purple Gem: 0.6x / 0.8x / 1.5x / 2.5x
- Green Gem: 0.5x / 0.7x / 1.2x / 2x
- Pink Gem: 0.4x / 0.6x / 1x / 1.5x
- A: 0.3x / 0.5x / 0.7x / 1x
- K: 0.3x / 0.4x / 0.6x / 0.9x
- Q: 0.3x / 0.4x / 0.5x / 0.8x
- J: 0.2x / 0.3x / 0.4x / 0.6x
- 10: 0.2x / 0.3x / 0.4x / 0.5x
Only the highest win is paid per way, and when several ways win at once, all of them are added together into the total. Wins are multiplied by the bet per way, and the free spins win is added on top of any payway win from the triggering spin.
Tumble Feature and Increasing Multiplier
After every spin, winning combinations pay out and the winning symbols disappear. Whatever’s left falls to the bottom of the screen, and fresh symbols drop in from above to fill the gaps.
Tumbling keeps going for as long as the new symbols keep forming wins. The replacement symbols arrive at the same size as the initial spin result, and the whole run of tumbles is added to the balance once it finishes. A single base spin can therefore pay several times over without ever respinning.
Increasing Multiplier
Each tumble in a base game spin raises a multiplier by 1x, and that multiplier applies to the total win of the next tumble. Once the tumbles stop, the multiplier resets. A modest win can therefore climb quickly if a reel keeps refilling, which is where the base game finds most of its tension.
Expanding Wild
Whenever a wild lands in the base game or free spins, anywhere except the top row, it expands to fill the whole reel vertically. The number of wilds on the expanded reel matches the number of symbols that were sitting there before it grew. On a tall reel that’s a full stack of substitution, and it feeds the tumble chain directly.
Free Spins
Four or more scatter symbols anywhere on the reels trigger the free spins round, and the scatters pay on the way in. The scatter appears on all reels, so a trigger can land from anywhere. Special reels are in play during the feature, and the expanding wild is still active.
The round starts with a 1x multiplier, and every tumble during the feature increases it by 1x until the round ends, with each tumble’s total win multiplied by the current figure. The sequence runs simply: a win pays, the symbols vanish, the counter ticks up, and the next win in the chain pays at the higher figure. 3 or more scatters during the round add 5 more free spins.
- 4 scatters: 5x total bet, 12 free spins
- 5 scatters: 10x total bet, 16 free spins
- 6 or more scatters: 100x total bet, 20 free spins
Because the counter never resets inside the round, the 20-spin tier gives the ladder the most room to build, and a retrigger extends it further. The whole round is subject to the game’s overall cap: if a free spins total reaches 10,000x the bet, the round ends immediately, the win is awarded and any remaining free spins are forfeited. The same ceiling applies to the base game.
Buy Free Spins
The free spins round can be triggered instantly from the base game for 80x the current total bet. Buying it doesn’t change the maths meaningfully: the RTP when using the buy is 96.47%, a hair above the standard game’s 96.46%. The bought round plays out under the same rules as a triggered one, scatter pays, retrigger and cap included.
Against the going rate for this kind of shortcut, that’s fair value, and it’s cheaper than many comparable Megaways titles charge. The retrigger threshold also drops to 3 scatters during the round, which the bought feature benefits from like any other.
Our Honest Verdict
Overall Rating: 7/10
Most of a session on Crystal Caverns is spent watching small wins snowball, and if you’re here at all, you’re here for that feeling: a frozen cavern where things quietly pile up. One reel fills with wilds, a tumble chain runs six deep, and the counter at the top does the rest.
The best thing about it is the free spins multiplier that never resets, because a round’s late spins can pay several times what its early ones did. The worst is that there isn’t an original idea anywhere in the build, so the excitement is borrowed from a template rather than earned by design.
It’s a good home for medium-volatility players who like a steady rhythm with a real ceiling above it, and the 80x buy spares the waiting. Anyone hunting the next mechanic won’t find it under the ice. For everyone else, this cavern is worth the walk down.
Crystal Caverns Megaways FAQs
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What is the RTP of Crystal Caverns Megaways?
The RTP is 96.46%, and it rises very slightly to 96.47% when you buy the free spins round. -
Is Crystal Caverns Megaways high volatility?
No, it’s a medium volatility game. Wins range from low to very high, so payouts arrive steadily with the occasional bigger hit. -
How many paylines does Crystal Caverns Megaways have?
Up to 200,704 ways to win. The way count shifts with every spin as the reels change height, topping out when every reel is full. -
How do you trigger free spins in Crystal Caverns Megaways?
Land 4 or more scatter symbols anywhere on the reels. 4 scatters award 12 free spins and pay 5x the bet, 5 award 16 spins and pay 10x, and 6 or more award 20 spins and pay 100x. -
Can you retrigger the free spins round?
Yes, 3 or more scatters landing mid-round hand you another 5 spins on top of whatever’s left. -
Can you buy the bonus on Crystal Caverns Megaways?
Yes, the free spins round can be bought from the base game for 80x the current total bet, at an RTP of 96.47%. -
What is the minimum and maximum bet on Crystal Caverns Megaways?
The betting range spans 0.20 to 240 per spin. -
What does the expanding wild do?
A wild that lands off the top row stretches to cover its entire reel. It grows to exactly as many wilds as the reel was showing before it expanded.


