Slotmill – game provider with best slots | GamblingShot

Slotmill

📅Founded 2019
🎰Games by the provider 37
📚In the GamblingShot catalog 0
📊Average RTP 96.09%
📍Headquarters Стокгольм, Швеция
🎨Main Genres
History Classic slots Magic Adventure
🎲Game Types
Slots

Slotmill — provider review

Slotmill's games weigh around 10 MB in Full HD graphics, per the studio. That is the provider's core bet: fast loading and traffic savings on any device and any network without losing quality. The studio was founded in 2019 by a team of industry veterans who, combined, have more than 250 years of industry experience.

The studio also points to 2026 as a sign of growth: on 15 March it opened a new studio in Fuengirola, Spain, and earlier in the year it signed partnerships with Bragg and Chipy.

💡 Slotmill by the numbers

Founded in 2019, combined team experience of 250+ years (per the studio), game size around 10 MB, a B2B Type 1 MGA license.

History: founding and 2026 events

The studio doesn't publish a year-by-year timeline. Notable events on its website include the MGA license in 2021 and several 2026 news items showing partner network growth and a wider presence in Spain.

DateEvent
2019Slotmill founded by a team of industry veterans.
2 June 2021MGA license obtained for B2B Type 1 services.
19 January 2026Partnership with Bragg to expand its global presence.
19–21 January 2026Participation in ICE Gaming Summit in Barcelona.
11 February 2026Partnership with Chipy.
15 March 2026Opening of a new studio in Fuengirola, Spain.

Licenses

Slotmill Limited (company registration number C92612, registered address: Level 1, Old Railway Track, Phoenix Business Centre, SVR9022 Santa Venera, Malta) is licensed and regulated by the Malta Gaming Authority (MGA) to provide B2B Type 1 services under license number MGA/B2B/851/2020, issued on 2 June 2021.

Lightweight games and signature features

Slotmill's games are built in Full HD graphics and, per the studio, weigh around 10 MB: thanks to its build, optimisation, and compression methods, they load quickly and use less traffic. Content can be connected directly through the studio's own RGS or through its distribution partners, and the games offer broad language support.

The studio sees feature-rich games as a path to deeper, longer-lasting player engagement. Three signature features fit that logic and, per the studio, are built into its games:

FeatureWhat it does
Burst ModeAn enhanced autoplay: completes two game rounds per second.
Fast TrackLets players go straight to a game's bonus features.
Xtra-BetLets players increase their bet to improve their chances of a bonus round.

Slotmill slots

The three slots covered share two RTP variants, around 96% and around 94%, as well as both Free Spins and Super Free Spins in each. The operator seems to choose the variant, but the studio's materials don't state this directly. Our advice: check the value in the game description at the specific casino before playing.

The slots differ in grid, payout system, and ceiling. Wild Bison Stampede plays on 40 lines of a 5×4 grid, while Shadow of Dominion and Ultra Fruit Smash are built on a 6×6 grid with Scatter Pays for 8 or more symbols. The oldest slot in the lineup, Ultra Fruit Smash (November 2025), has the highest ceiling, 20,000x, while both summer 2026 releases sit lower. This is a conclusion drawn from three games, not the whole catalogue, but it suggests the studio isn't chasing the biggest multiplier in every release.

SlotGridPayoutsRTP (two variants)VolatilityMax winRelease
Wild Bison Stampede5×440 lines96.01% / 94.03%Medium-High6,688x21.07.2026
Shadow of Dominion6×6Scatter Pays (8+)96.12% / 94.07%High10,000x18.08.2026
Ultra Fruit Smash6×6Scatter Pays (8+)96.08% / 94.07%Very High20,000x25.11.2025

Wild Bison Stampede — a slot set on the untamed American prairie, on a 5×4 grid with 40 paylines, where mighty Bison Wilds appear as Single or Stacked Wilds. Three Bonus symbols trigger Free Spins and a bonus wheel that can award Sticky Bison Wilds, Stacked Bison Wilds, or Super Free Spins, where both features combine. Nudging Wilds are among its features too. Bets range from €0.20 to €60, with a max win of up to 6,688x.

Shadow of Dominion — an action-packed slot on a 6×6 grid with cascades: wins come from 8 or more matching symbols, every cascade and respin raises the multiplier, and Giant Symbols can supercharge it further. In Dominion Respins, collected symbols, Giant Symbols, and upgrades combine to raise symbol values and the multiplier. Bets range from €0.20 to €100, with a max win of 10,000x.

Ultra Fruit Smash — per the studio, a follow-up to the successful Super Fruit Smash: Slotmill builds on its hits rather than only releasing new titles. A fruit-themed cascade slot on a 6×6 grid with Scatter Pays. The new edition adds Golden Multiplier Bananas, Multiplier Chests, and Giant Symbols up to 4×4 carrying multipliers as high as x1000. During Free Spins the win multiplier never resets, and in Super Free Spins giant fruits and wilds crash onto the grid every spin. Bets range from €0.20 to €60, with a max win of 20,000x.

Who Slotmill suits

Pros

  • A B2B Type 1 MGA license (MGA/B2B/851/2020).
  • Lightweight games of around 10 MB with Full HD graphics and fast loading.
  • A proprietary RGS and the option to connect through distribution partners.
  • Three signature features — Burst Mode, Fast Track, and Xtra-Bet.
  • Two RTP variants in its slots and partnerships with Bragg and Chipy.

Cons

  • The MGA B2B Type 1 license is issued specifically to a supplier, but there is no data on licenses from other regulators in the materials.
  • Every slot covered has an RTP variant of around 94%, 1–3 percentage points below most modern releases.

⚡ Verdict

Slotmill is a young studio with an experienced team: founded in 2019, with its specialists' combined experience, per the studio, exceeding 250 years. Lightweight Full HD games, the signature Burst Mode, Fast Track, and Xtra-Bet features, an MGA license, and a growing partner network make the provider a clear choice for operators who value loading speed and player engagement, though the RTP variant of around 94% is worth weighing.

Where to play Slotmill slots

You can browse the provider's games and pick a casino to play at in the slots and casino sections on GamblingShot.

FAQ

1 Since what year has Slotmill been operating?

Slotmill was founded in 2019 by a team of industry veterans.

2 Does Slotmill hold a license?

Yes, Slotmill Limited holds a license from the Malta Gaming Authority (MGA) for B2B Type 1 services under number MGA/B2B/851/2020, issued on 2 June 2021.

3 What are Burst Mode, Fast Track, and Xtra-Bet?

These are three signature features in Slotmill games: Burst Mode is an enhanced autoplay with two rounds per second, Fast Track gives direct access to bonus features, and Xtra-Bet raises the bet for better chances at a bonus round.

4 Why do Slotmill slots list two RTP values?

The studio lists two RTP variants for each slot, around 96% and around 94%. The operator seems to choose the variant, but the studio's materials don't state this directly, so it's worth checking the value in the game description at the specific casino before playing.

5 How big are Slotmill games?

Per the studio, the games weigh around 10 MB in Full HD graphics, so they load quickly and save traffic.

6 Which Slotmill slot offers the highest win potential?

Among the titles covered, Ultra Fruit Smash offers the highest potential, up to 20,000x the stake.

Where to play Slotmill slots

Casinos from our catalogue that carry this provider’s games. Always check terms and bonuses on the casino page.

Games from Slotmill