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We evaluate slot machines based on multiple criteria, from which we make our final verdict.
Design and theme
94 %
Features and playability
93 %
RTP and volatility
95 %
Slot machine details and review Crystal Caverns Megaways
Beneath the surface of the everyday world lies a place that hardly anyone dares to enter. Old mine shafts overgrown with moss, abandoned tracks and ancient tunnels conceal a network of caves that havenβt been explored for generations. Right there, where light seeps in only through cracks in the rock and the air smells of dust and mystery, lie crystals so pure and rare they could change the fate of anyone who finds them. The slot Crystal Caverns Megaways doesnβt take you in as just a player, but as a fearless adventurer willing to descend into the depths in search of riches that others only dream of β across 6 reels and 8 rows in true MEGAWAYS style.
Every slot machine must be developed by a company that invented, designed and put it into operation. Many players eventually find that they only enjoy playing on machines from specific software provider, so they narrow down their selection by preferred brand.
96.46-96.47 %
RTP range of this slot (Γ 96.465 %)
< 90 %
Small
95 %
Below average
96.5 %
Average
97.5 %
Above average
99 %
High
Small
Below average
Average
Above average
High
The volatility of this slot
Low
Low-Medium
Medium
Medium-High
High
A high volatility slot. Wins are rare, but can be really big. The game has more pronounced fluctuations and can often go without hitting anything for a long time, suitable for players who like adrenaline, higher risk and work with a larger budget. More about volatility here.
Slot theme and symbols
Crystal Caverns Megaways is set in a magical crystal cavern, blending realistic mining elements with a sparkling gemstones theme. The game uses the popular Megaways mechanic, which can create up to several thousand winning combinations on every spin thanks to the variable number of symbols on the reels. The slot features a total of 12 main symbols, split into several categories: for example, low-value symbols represented by cards (A, K, Q, J, 10), and high-value symbols made up of colourful crystals, plus special symbols like Scatter and WILD that trigger features and win multipliers.
Theme and symbols Crystal Caverns Megaways
WILD symbols substitute for regular symbols and, when they can, expand across the entire reel. If you land 3 or more Scatter symbols, youβll not only get wins credited to your balance, but youβll also trigger the Free Spins feature. The TUMBLE feature can trigger at any time and is enhanced with multipliers. The RTP sits at around 96.46% and the volatility is very high, so donβt expect this slot to give you anything for free.
Red gemstone
Blue gemstone
Purple gemstone
Green gemstone
Pink gemstone
Letter A
Letter K
Letter Q
Letter J
Ten
Special Symbols and Slot Features
3D
NO
Autoplay
YES
Free Spins
YES
Gamble Feature
NO
Locking Symbols
NO
Wild Symbol
YES
Win Multiplier
YES
Other features
Bonus buy
Bonus Game
Bonus Scatter
Cascading Reels (Avalanche)
Expanding Wild
Megaways
Other Features
Scatter Symbol
WILD Symbol
In the Crystal Caverns Megaways online slot, youβll find a WILD symbol that substitutes for all game symbols except the Scatter. WILD symbols can land on reels 2, 3, 4, 5 and 6, as well as on the special top reel. If a WILD symbol appears anywhere on the reels, it can expand at any time. The number of WILD symbols on that reel will equal the number of symbols that were showing before it expanded!
Tumble feature
You can trigger the TUMBLE feature at any time during the reel spin. Simply land a winning combination and the feature kicks in automatically. Winning symbols disappear and the remaining ones drop down to fill their places, while any empty spaces are replaced with new random symbols. Thanks to this cascade, you can hit more and more winning combinations, and the feature can keep going for several minutes.
Increasing multiplier
The increasing multiplier comes into play during the TUMBLE feature. Each new tumble step means a higher multiplier, increasing by x1 every time. Once that TUMBLE sequence ends, the multiplier resets.
Scatter symbol
You can land the Scatter symbol anywhere on the reels, and if you hit 4β6 at once, youβll be awarded 12β20 Free Spins. The round starts with a x1 multiplier, and after every TUMBLE its value increases by x1. If 3 or more Scatter symbols appear during the round, youβll receive an extra 5 Free Spins.
Buy Free Spins feature
Free Spins can drop in, but sometimes itβs fairly hard to spin the required number of Scatter symbols to trigger the bonus feature. Simply pay 80x your total stake and you can enjoy your well-earned Free Spins.
Prize table
Symbol
Multiplier
2x in payline
3x in payline
4x in payline
5x in payline
6x in payline
Scatter symbol
5x
10x
100x
Red gemstone
2x
4x
10x
50x
Blue gemstone
1,4x
2,4x
5x
10x
Purple gemstone
1,2x
1,6x
3x
5x
Green gemstone
1x
1,4x
2,4x
4x
Pink gemstone
0,8x
1,2x
2x
3x
Letter A
0,6x
1x
1,4x
2x
Letter K
0,6x
0,8x
1,2x
1,8x
Letter Q
0,6x
0,8x
1x
1,6x
Letter J
0,4x
0,6x
0,8x
1,2x
Ten
0,4x
0,6x
08x
1x
Our rating of the game
Crystal Caverns Megaways
Crystal Caverns Megaways is a journey into the heart of the underground world, where every spin can become another huge discovery. If you love suspense, unexpected twists and the potential for massive wins, this slot offers exactly what youβre after. Every glint of crystal, every tumble of symbols and every rising multiplier pulls you deeper into a game thatβs hard to put down. If youβre looking for a slot that combines a strong story, visual beauty and the chance of truly big wins, Crystal Caverns Megaways is exactly the one you should try. Spin the reels, descend into the depths of the cave, and see what treasure is waiting just for you.
Crystal Caverns Megaways offers an extremely high number of winning combinations, which means that with every spin there are loads of possible winning outcomes
Thanks to cascading symbols and increasing multipliers, one win can smoothly roll into a whole series of further wins without needing an extra stake
The cave-and-crystal visuals are highly detailed and atmospheric, making you feel like youβre truly in an underground world full of treasure
The Free Spins feature not only brings more chances to win, but also extra excitement thanks to the rising multipliers
The slot is excellently optimised for mobile devices β whether you play on a phone or tablet, the experience stays smooth and high quality
The game combines simple controls with complex win potential, so it appeals to both beginners and experienced players
Thanks to the different symbol types, the game is visually varied and never feels repetitive, even over longer sessions
The Megaways mechanic gives every spin a unique character, because you never know how many ways to win will appear
The slot offers a well-balanced ratio between risk and potential reward, making it exciting without being frustrating
Crystal Caverns Megaways can create a strong sense of discovery and adventure, which lifts the overall experience above standard slots
Cons
High volatility can lead to longer stretches without a more significant win, which can be mentally and financially demanding for some players
The Megaways mechanic can be confusing at first for complete newcomers, because the number of win lines is constantly changing
Although the game is visually beautiful, it may be too complex for players who prefer simple fruit slots
The Free Spins feature may not trigger very often, which can lead to longer gaps between the most exciting moments of the game
The fast pace of cascading symbols and animations may feel chaotic and less clear to some players
Maximum wins are heavily dependent on multipliers, which you may not always manage to build up to a high level
To achieve truly high wins, a higher stake is often needed, which may not be accessible for everyone
Over longer play sessions, the game mechanics can start to feel repetitive, even though theyβre random in nature
The sound effects, while high quality, can start to repeat over time and feel monotonous
The slot is primarily designed for players who enjoy adrenaline and higher risk, so it may not suit those looking for calm, steady play
Bonuses to casinos where slots Pragmatic Play slots can be played
Rating
95%
How do we rate bonuses?
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
18+.New UK-based customers only. You must opt-in & deposit Β£20+ using a debit card to qualify. Offer valid 7 days from registration. Welcome Bonus: 100% match up to Β£100 on 1st deposit. 50x wagering applies (as do weighting requirements). Free Spins: Awarded on Centurion Big Money once you have staked Β£20 on any Games Global game. Spin value = 10p. No wagering requirements on free spin winnings | Gambleaware.org
Rating
94%
How do we rate bonuses?
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
Use the bonus spins offer at PlayOJO to get 50 FS on the Big Bass Bonanza slot. The minimum required deposit to activate the bonus is Β£10 and your spins can be played at the Β£0.1 chip size. Note that the bonus is not available for players from N.I. Irregular play may lead to the removal of rewards. Gambleaware.org. All the OJO Rewards and Game Play policies apply.
Bingo Bonus: First deposit only. Deposit Β£10 or more to claim. 50 free spins on Big Bass Bonanza slot. 500 free bingo tickets when you spend Β£10 on bingo, valid once per player. Free tickets valid on selected games up to Β£0.10 each, see bingo rooms for info. Excludes players in N.I. Irregular play may lead to removal of reward. OJOβs Rewards and Game Play policy applies.
Rating
94%
How do we rate bonuses?
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
5 Free Spins – New players only, No deposit required, valid debit card verification required, max bonus conversion Β£50, 10x wagering requirements,Full T&Cs apply. Up to 500 Free Spins – New players only, Β£10 min fund, free spins won via mega reel, max bonus conversion to real funds equal to lifetime deposits (up to Β£250), 10x wagering requirements and full T&Cs apply. Gambleaware.org
Rating
93%
How do we rate bonuses?
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
New players only | 10x wagering on the 23 Free Spins | 77 Cash Spins after 1st time deposit and Β£10 wager on slots. No max cash out on Cash Spins. Skrill Deposits Excluded. | T&C’s Apply! Gambling can be addictive. Play Responsibly. 18+
Rating
93%
How do we rate bonuses?
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
11 FS – New players only. 18+. Min. deposit Β£10. Account ballance is withdrawable at any time. Upon withdrawal, any remaining bonus spins are forfeited. 7 days to activate the spins. Bonus spins will expire 24 hours after activation. Full T&C Apply.
Β£50 deposit bonus – New players only. Min. deposit Β£10. 30 days to activate & 60 days to use deposit bonus after activation. Wager req.: 10x on eligble games. Max. Bonus Β£50 . Bonus balance is paid with 10% Increments to account balance. Bonus balance is not payable. Max. bet is Β£20 or up to value 50% of the bonus amount – whichever is lowest. Account ballance is withdrawable at any time. Upon withdrawal, any remaining deposit bonus is forfeited. Full T&C Apply, play responsibly. Gambleaware.org
Warning: Play and gamble responsibly | Gambling may be addictive 18+ | Underage gambling is an offence | When the fun stops, stop.
18+| New players only | Deposit & wager at least Β£10 to get free spins | Free Spins winnings are cash | No max cash out | Eligibility is restricted for suspected abuse | Skrill deposits excluded | Free Spins value Β£0.10 per spin | Free Spins expire in 48 hours |Gambleaware.org. | Terms & Conditions apply
100% match on your first deposit (up to Β£100)
95%
+ Spend at least Β£20 on Spin Casino slots and unlock 100 FS
18+.New UK-based customers only. You must opt-in & deposit Β£20+ using a debit card to qualify. Offer valid 7 days from registration. Welcome Bonus: 100% match up to Β£100 on 1st deposit. 50x wagering applies (as do weighting requirements). Free Spins: Awarded on Centurion Big Money once you have staked Β£20 on any Games Global game. Spin value = 10p. No wagering requirements on free spin winnings | Gambleaware.org
Deposit at least Β£10 and Get 50 FS on the famous Big Bass Bonanza slot
Use the bonus spins offer at PlayOJO to get 50 FS on the Big Bass Bonanza slot. The minimum required deposit to activate the bonus is Β£10 and your spins can be played at the Β£0.1 chip size. Note that the bonus is not available for players from N.I. Irregular play may lead to the removal of rewards. Gambleaware.org. All the OJO Rewards and Game Play policies apply.
Bingo Bonus: First deposit only. Deposit Β£10 or more to claim. 50 free spins on Big Bass Bonanza slot. 500 free bingo tickets when you spend Β£10 on bingo, valid once per player. Free tickets valid on selected games up to Β£0.10 each, see bingo rooms for info. Excludes players in N.I. Irregular play may lead to removal of reward. OJOβs Rewards and Game Play policy applies.
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Software provider
Game typeSlot
Reels6 Reels
Winning paylines200704 paylines
