We hope you’re not afraid of the dark because Kalamba is about to take you deep inside a cavern with its Crystal Cavern slot game.
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The Crystal Cavern slot does not take the usual approach to gameplay. When you load the game up, you are asked to choose your stake. The minimum you can wager in the game is €0.90, and the maximum you can get bet is €45, which is not a hugely inspiring betting range. It is also affected by the ‘Hyper-Bet’ setting you choose. Whatever amount you choose, you will then have to stick with over the next 10 spins. This can be quite frustrating and feels very gimmicky but it does have a purpose which we will explore with the bonuses.
The rest of the setup for the game also has some noteworthy gameplay features. The action takes place on a 6x4 grid, which is bigger than standard, and it offers an impressive 4,096 different ways to win. If you want to adjust to some of these unique features before you play, give the Crystal Cavern demo we have provided a spin.
The symbols in this video slot are all either diamonds or random plants and bits of fungi you might find in a cavern. The highest paying symbol in the game is the red diamond, which pays out 3.3x your stake for combos of six, 2.2x for combos of five, 1.3x for combos of four, 0.6x for three, and 0.3x for combinations of two.
This is followed by the orange and green which both pay 2.7x your stake for six, and the turquoise and purple pay 2.2x for the same amount. Next up are the lower-paying symbols, which are represented by a collection of mushrooms and plants.
These are split into two groups, one of two, and one of four. The red and the orange are the higher paying group, offering 1.3x your stake for a combination of six. A green, two blue, and a purple plant round out the symbols. These all pay 0.9x for combinations of six.
As we mentioned before, the game only allows you to play in groups of 10 spins. One of the main reasons for this is the Crystal Cavern bonus rounds. Whenever an orb lands on your reels it will be added to the meter on the right-hand side of the reels. If it has a cash prize or a multiplier, these will all be added together in the bottom orb.
If you manage to fill up six orbs during one spin cycle, you will be rewarded with three free spins and the multipliers that have been collected will be rewarded to all winnings during the round. During the Crystal Cavern free spins round, any more orbs that land on the reels will instantly add another free spin. At the end of the round, any bonus funds will be paid out. The level of the Hyper Bet that you choose will impact the size of the multipliers in the game, giving you control over the volatility of the slot.
The Crystal Cavern RTP adjusts depending on what Hyperbet level you are using. At Level 1, it is set to 95.85%, it increases to a much more attractive 97.1% at level 2, and at level 3 it reaches its maximum of 97.72%. The game is highly volatile, and this also increases with the Hyper Bet feature. When playing for this Crystal Cavern slot review, we found it difficult to trigger the free spins round, with the fixed 10 spin cycle making things a little frustrating at times.