Gemhalla entered the provider’s top slot machines in 2024. According to the BGaming team, it caused a real sensation. This is confirmed by industry publications, which include the slot in their list of the 100 most popular slots. The Casino.ru editorial team carefully studied the features and conducted 1,000 test spins to assess the winning odds. Detailed analysis is already available on the page.
Expert review
The BGaming slot machine is balanced and distinctive. It maintains its balance well: during testing, losing sessions alternated with gains several times. A session of 100-200 spins makes it possible to trigger the bonus without resorting to paid features.
Gemhalla has been observed to be underperforming in terms of volatility.
The provider claims a high level, while the average drawdown was 41.5x. Payouts remained within a consistent range, with no sudden surges. The best wins in the basic mode reached 20-30x the bet. Such results are more typical for medium-volatility slots.
Overall, the slot can’t be called a bold experiment. The developer is turning to the popular Viking theme, and the functionality is very reminiscent ofGates of Olympus, which became a real breakthrough in 2021. The Gemhalla slot also uses the Pays Anywhere mechanic, cascading spins, and multiplier symbols. However, players are accompanied by a Norse god rather than an ancient Greek one.
However, the BGaming version has a more favorable RTP of 97.17%. Payout frequency in some periods reaches 30%. More than half of the payouts cover the cost of spins. Over 1,000 spins, losses amounted to 119x. However, over this period, it was possible to see bankroll growth and quit the game at least twice.
Main game
Gemhalla is a colorful slot machine based on Norse mythology. The game takes place in a twilight forest. Thor, the god of thunder and lightning, stands next to the reels. During random spins, he adds multipliers to the game board. Symbols include colorful stones with runes, a helmet, an axe, and more.
Basic slot mode
The game board format is 6 x 5. The slot is based on the Pays Anywhere mechanic. Payouts are awarded when at least eight identical symbols appear on the screen simultaneously. They can be located anywhere and not touching each other. Forming a winning combination activates a cascading drop, which can bring further payouts.
The slot’s main feature is its multipliers. They appear randomly and have the following values:
- Wooden shield— from x2 to x5.
- Green — from x6 to x30.
- Violet— from x31 to x100.
- Striped— from x101 to x500.
Multipliers apply to all payouts received during a cascade. Multipliers are cumulative if multiple shields appear on the field. During testing, striped shields with maximum multipliers did not appear.
The slot machine awarded payouts on approximately 30% of spins. Win intervals rarely exceeded 10 spins. Low-paying combinations were the dominant combinations. The test game was run in demo mode on the provider’s official website. The bet size was 1 virtual credit. The acceptable range was from 0.2 to 50.
Free spins
Free spins are the only bonus in the Gemhalla slot machine. They are triggered by landing at least four scatter symbols. Combinations of special symbols are paid. During the test, free spins were activated eight times. The number of scatter symbols affects only the payout ratio. At the start, the player receives 15 spins.
Free spins multiplier increase
The bonus retains all the mechanics of the base game. The only difference is the progressive multiplier. Each time the multiplier is applied to a payout, its value is stored on the side of the reels. To reactivate the multiplier, a combination with a shield must appear on the field. Then, the new multiplier value is added to the current value, and the player receives increased winnings.
The free spins were triggered for the first time on the 8th spin. They didn’t generate particularly large payouts, but thanks to their regular activation, they helped offset losses. Detailed results are in the table.
| Launch moment | Number of rotations | Results in betting |
| 8th | 15 | 25,8 |
| 39th | 15 | 30,5 |
| 88th | 15 | 37,6 |
| 276th | 20 | 21,2 |
| 569th | 25 | 57,3 |
| 690th | 20 | 91,8 |
| 886th | 15 | 3 |
| 986th | 15 | 14,4 |
Purchase of a bonus
The provider added paid free spins. Considering the results the bonuses generated when randomly activated, their price seemed quite high—x100. But the editors still made five test purchases.
| Purchase | Free spins | Win |
| 1st | 20 | x86.1 |
| 2nd | 30 | x198.5 |
| 3rd | 15 | x70.3 |
| 4th | 15 | x42.5 |
| 5th | 20 | x146.9 |
Only two bonuses paid for themselves and generated profit. Overall results were 544x with a 500x spend. Users on a budget should definitely avoid purchasing free spins. However, there’s still a chance for a decent win. Based on observations, paid bonuses were more effective, although the RTP doesn’t change with these features.
Inspection progress
After just the first short session of 100 spins, I managed to break even by 40.6x. As expected, the momentum then began to decline. My bankroll continued to decline over the next 400 spins. However, regular free spins allowed me to maintain my balance and prevent major losses. Then the situation improved, and two sessions ended successfully. By the 690th spin, I was able to fully restore my initial bankroll and receive a small dividend. A detailed description of the test is provided in the table.
| Backs | Results in betting | Best payouts in the base game | Free spins results |
| 1-100 | +46 | x14.8x6x4.2 | x37.6×30.5×25.8 |
| 101-200 | -46 | x10x4.8×3.7 | — |
| 201-300 | -21 | x12x11.8×7.2 | x21.2 |
| 301-400 | -31 | x24.1×8.4×3.6 | — |
| 401-500 | -58 | x6x3.7×3.6 | — |
| 501-600 | +62 | x33.2×11.2×11.2 | x57.3 |
| 601-700 | +68 | x23.3×15.4×5.3 | x91.8 |
| 701-800 | -57 | x6.5x6x3,4 | — |
| 801-900 | -50 | x9.2x6x3.15 | x3 |
| 901-1000 | -28 | x12.9×6.2×4 | x14.4 |
Statistics
The slot’s key operating principles are described in the table. These statistics are based on the results of 1,000 spins. Payout and bonus feature activation dynamics may vary at different times.
| Characteristic | Details |
| Observed volatility | Average |
| Probability of triggering free spins | 1 to 125 |
| Intervals without bonus | Up to 300 spins |
| Probability of winning in basic mode | Up to 30% |
| “Empty” series | Up to 15 spins |
| Maximum payouts in the main game | x33.2×24.1×23.3 |
| Best Free Spins Wins (13 Activations) | x198.5×146.9×91.8 |
Video slot features
The Gemhalla slot machine is based on modern mechanics. It doesn’t use fixed paylines—payouts are based on the number of matching symbols in any position. It also features other features:
- Cascading drums. They are activated after each combination is collected and increase the chance of new payouts.
- Multiplier symbols. They appear in the base game and bonus mode, carry a value of up to x500 and are cumulative.
- Free spins with progressive multiplier. Free spins can be extended multiple times. The multiplier increases throughout the round and doesn’t reset between spins.
The slot machine has a high RTP, which does not change due to the functions. This is typical for BGaming slots The slot machine is compatible with various devices and supports turbo and automatic play modes.
Machine gun characteristics
The provider’s official website provides detailed technical specifications for the machine. For user convenience, key indicators are listed on the page.
| Parameter | Description |
| Provider | BGaming |
| Release | 2023 |
| Genre | Vikings |
| RTP | 97,17% |
| Volatility | High |
| Field layout | 6 x 5 |
| Mechanics | Pays Anywhere |
| Respin | Yes |
| Bonus | Free spins with a progressive multiplier |
| Purchased bonuses | Yes |
| Maximum cluster coefficients | x100x50x25 |
| Winning potential | x5000 |
| Jackpot | No |
Editorial opinion
Gemhalla is a high-quality and well-designed slot in which the provider combines sought-after mechanics with the popular theme of Norse mythology. Despite its obvious similarities to Gates of Olympus, the slot stands on its own. A stable RTP of 97.17% and a high bonus trigger frequency make it attractive to those who value a balance between risk and regular payouts.
The slot machine doesn’t promise dizzying wins. The maximum payout is set at x5000.
The slot is suitable for long sessions with the ability to gradually rebuild your balance. However, you should start the game with at least 200-300 bets in reserve. Those looking for big wins may find the process too calm and predictable. However, don’t ignore the provider’s statement.about high volatilityIt is likely that the dynamics may change in certain areas.
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