Gemhalla Review: Thor’s x500 Multipliers, a Growing Free Spins Total and Official Buy Prices

Gemhalla is a Norse-themed 6×5 “pays anywhere” slot from BGaming, released on 15 June 2023. It matters more than its theme suggests: it was the first BGaming game with a set of published numbers later shared by Tramp Day, Gemza, Alien Fruits 2 and – two years on – Bonanza Trillion. That means a 97.17% RTP, multipliers up to x500 in the base game and a free spins total that keeps growing. BGaming also says the game was shaped by feedback from its Scatters Club player community.

Key facts

Parameter Value
Release 15 June 2023
Grid 6×5, pays anywhere, refilling reels
RTP 97.17%
Volatility Very high
Max win 5,000x the bet
Hit rate 1 in 2.96 spins (about 33.78%); launch coverage quoted 3.90
Free spins rate 1 in 163.20 spins
Buy / Chance x2 100x / +25% bet (both published by BGaming)

Base game: Thor’s multipliers

Symbols pay anywhere on the grid; winners disappear and new symbols fall in until no new win forms. Thor, the “god of multipliers” in BGaming’s words, drops multiplier symbols worth x2 to x500 – and unlike in Bonanza Billion, they can land in the base game. Several multipliers in one winning spin are added together and applied to that spin’s total win.

Free spins: a total that keeps growing

Four or more ship scatters award 15 free spins, and three or more during the round retrigger it. In free spins the multipliers from each winning spin are added to a running total, and that total applies to later wins in the round. A round that collects a few large multipliers early can make every later win much bigger.

Buy and Chance x2 with published prices

Gemhalla is one of the few BGaming games where both prices are on the official page:

  • Buy Bonus – 100x the bet; the next spin triggers free spins.
  • Chance x2 – raises the bet by 25% and doubles the chance of scatters.

The two can’t be used together. How these compare with buys in other studios’ games is covered in our bonus buys guide.

Gemhalla and its twins

Game Released What differs
Gemhalla Jun 2023 The original of this maths; hit rate 1 in 2.96
Tramp Day Nov 2023 Street theme; hit rate 1 in 4.03
Gemza Dec 2023 5×5 grid plus an extra horizontal reel
Alien Fruits 2 Jun 2024 Space theme, teleport presentation in the bonus
Bonanza Trillion Sep 2025 Three buy options, including bonus rounds that start with x50 or x100

All five share the 97.17% RTP, the 5,000x cap and the free spins rate of about one in 163 spins. In 2026 BGaming added Gemhalla Xtreme with multipliers up to x1,000 and a 10,000x cap.

Built with players

BGaming invited its Scatters Club community to test the game during development. Co-CPO Yulia Aliakseyeva: “we were thrilled to invite the Scatters Club community to give feedback on Gemhalla during its development stage.”

Pros and cons

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Who it suits

[wpremark preset_name=”default-info” icon_show=”1″ icon_image=”info-circle-regular” icon_color=”#3da2e0″ icon_width=”32″ icon_height=”32″ icon_indent=”16″ background_show=”1″ background_color=”#e3f1f4″ border_top=”0″ border_right=”0″ border_bottom=”0″ border_left=”0″ border_width=”2″ border_color=”#3da2e0″ shadow_show=”0″ shadow_x=”0″ shadow_y=”5″ shadow_blur=”10″ shadow_stretching=”-5″ shadow_opacity=”0.3″ title_show=”0″ title_bold=”0″ title_italic=”0″ title_underline=”0″ title_uppercase=”0″ title_font_size=”18″ title_line_height=”1.5″ text_bold=”0″ text_italic=”0″ text_underline=”0″ text_uppercase=”0″ padding_top=”20″ padding_right=”20″ padding_bottom=”20″ padding_left=”20″ margin_top=”20″ margin_right=”0″ margin_bottom=”20″ margin_left=”0″ border_radius=”5″]Good fit: players who like pays-anywhere tumbles with multipliers on every spin and a free spins total that builds. Poor fit: players chasing a five-figure ceiling – the cap is 5,000x; Gemhalla Xtreme doubles it.[/wpremark]

Verdict

A strong, transparent game: a 97.17% RTP, base-game multipliers up to x500, an accumulating free spins multiplier, and buy prices BGaming actually publishes. It was the first BGaming game with these published numbers, which several later games share.

Frequently asked questions

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18+. Accumulating multipliers make results swing widely. Support services are listed on our responsible gambling page.

Sources

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