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BGaming · Slot Review

Gemhalla — Full Review & Free Demo

4.3/5
Play for Real →
RTP
97.00%
Volatility
High
Max Win
5,000x
Provider
Reels
6
Bet Range ($,€,£)
0.20 - 50
Rating
4.3/5
Released
Jun 2023

Gemhalla Slot Overview

Gemhalla by BGaming is a 6x5 Norse mythology slot with a Pay Anywhere setup, so wins land from 8 or more matching symbols anywhere on the grid. It uses refilling reels after every hit, and the key hook is the shield multiplier system. In the base game they sum on the spin, in free spins they keep building. For chat, that means a session with proper spikes, but also some quiet patches because the volatility is high.

Symbols and Payouts

Nine regular symbols and two special ones make up the paytable. The lower-paying set is five rune-style gemstones, while the premiums are axe, horn, beer and helmet. Helmet is the best regular payer, worth up to 50x for 12 matching symbols, while the low symbols top out at 10x for 12 or more.

4 ship scatters pay 3x, 5 pay 5x, and 6 pay 100x. The multiplier symbol is non-paying on its own, but it matters more than any standard symbol when a win lands. One thing I would flag to viewers, there is no wild here, so the grid can feel less forgiving than some other cluster-style games.

Symbol Payouts

icon 1
12+x50
10+x25
8+x10
icon 2
12+x25
10+x10
8+x2.5
icon 3
12+x15
10+x5
8+x2
icon 4
12+x12
10+x2
8+x1.5
icon 5
12+x10
10+x1.5
8+x1
icon 6
12+x8
10+x1.2
8+x0.8
icon 7
12+x5
10+x1
8+x0.5
icon 8
12+x4
10+x0.9
8+x0.4
icon 9
12+x2
10+x0.75
8+x0.25
icon 10
Multiplier
icon 11
Scatter

Gemhalla Bonus Features

Cascades are active on every winning spin. When a hit lands, the winning symbols disappear and new ones drop in, and that keeps going until the grid stops connecting. That helps the pace a lot on stream because one spin can actually turn into a full sequence, rather than a quick dead stop every time.

Shield multipliers can appear in both the base game and the bonus, with values from x2 to x500. In the base game, if several land on a winning result, their values are added together and then applied to the total win. During Free Spins, those multipliers do not reset between winning spins, they accumulate, and that is where the slot gets its proper punch.

Free spins trigger from 4 or more ship scatters and start with 15 spins. You can re-trigger with 3 or more scatters during the feature. There is also Bonus Buy for 100x your bet, plus Chance x2, which costs 25% extra and doubles your chance of triggering scatters, though it is disabled if you buy the bonus.

Bonus Buy Options

Bonus Buy <nlp>Free Spins</nlp>
Free Spins
Triggered by 4, 5 or 6 ship scatters and starts with 15 free spins. During the feature, multiplier symbols accumulate between winning spins, and 3 or more scatters can re-trigger more spins.
Volatility: high
Bonus Buy <nlp>Bonus Buy</nlp>
Bonus Buy
Buys direct entry to the free spins feature.
Feature Cost: 100x betVolatility: high
Bonus Buy Chance x2
Chance x2
Raises the total stake by 25% to double the chance of landing scatters and triggering free spins. It cannot be used together with Bonus Buy.
Feature Cost: 25% extra betVolatility: high
Bonus Buy <nlp>Cascading Reels</nlp>
Cascading Reels
Winning symbols disappear and new symbols refill the grid until no new win is created.
Volatility: high

RTP & Volatility

97.17% RTP is one of the stronger numbers you will see, and the max win is 5,000x your stake. Volatility is high, hit frequency is 25.64%, and the betting range most commonly listed is 0.10 to 100 per spin, though some versions are shown at 0.20 to 50. If I'm honest with chat, the RTP is a real plus, but the top end is not massive for a high-volatility game.

💬 What Players Say
Reviews are largely positive on the RTP, cascades and the way multipliers build in free spins. The main reservation is the high volatility, plus no wild and a 5,000x cap that feels modest for a slot this swingy. Based on 8 reviews.
Ryan Cole’s Verdict

Review Summary

Worth a session, yes, especially if chat likes seeing multipliers carry over and build pressure through a bonus. The 97.17% RTP is strong, the visuals are polished, and the cascades stop the grid from feeling flat. I'd stream this because the bonus has a clear story to follow, and viewers can track the running multiplier with you.

Still, not everyone will enjoy it. High volatility means some dead air, there is no wild to smooth out the base game, and 5,000x is decent rather than huge. So my verdict is simple, Gemhalla is a good stream slot if I want a medium-length session with real bonus potential, but I would not sell it to chat as a constant-action game.
4.3
★★★★☆
out of 5
✓ Pros
97.17% RTP is very strong
Multipliers reach up to 500x
Free spins keep multiplier total
Cascades add extra action
Bonus Buy and Chance x2 included
✗ Cons
High volatility can feel streaky
No wild symbol in the game
5,000x max win is not huge
Base game can drag a bit
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
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Gemhalla FAQ
How do wins form in Gemhalla?
The slot uses a Pay Anywhere or scatter-pays style system. You need 8 or more matching symbols anywhere on the 6x5 grid to get paid.
What triggers the free spins feature in Gemhalla?
You need 4 or more Viking ship scatters to trigger 15 free spins. During the bonus, 3 or more scatters can re-trigger extra spins.
How do shield multipliers work in the base game and free spins?
In the base game, all multiplier values on a winning spin are added together and applied to the payout at the end of that spin. In free spins, the multipliers accumulate across winning spins and keep boosting later wins.
Does Gemhalla have a bonus buy, and what does it cost?
Yes, it has Bonus Buy. It costs 100x your current bet and takes you straight into the free spins round.
Can Chance x2 be used together with Bonus Buy?
No. Chance x2 raises the stake by 25% to double the chance of landing scatters, but it is disabled when Bonus Buy is active.