Slotmill

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Slotmill is a Malta-headquartered slot studio founded in 2019, running a fixed RTP above 96% across its portfolio and built on signature Burst Mode, Fast Track and Extra Bet mechanics.

Slotmill games run under one RTP policy rather than title-by-title ranges, which changes how a player should pick between them — by mechanic and pace, not by chasing a number.

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Trusted

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5/5
iWild Casino
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iWild Casino is a Goodwin N.V. brand launched in 2021 under a Curacao license. The site offers 10,000+ games, 174 live dealer tables, fiat and crypto payments, cashback up to 20%, and two welcome packages: a standard 550% casino bonus and a separate VIP offer for high rollers.

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5/5
Hypekasino
Up to €500 + 1 Wheel Spin
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Trust Level
Legendary Trust

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5/5
RioBet
225% Bonus + 70 FS in Riobet Coins
SCASINO
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Riobet was one of the first casinos to introduce CP-based quests that reward players with bonuses and status progress.

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4.8/5
Run4Win
Run4Win €1,200 + 300 FS Welcome Bonus

2023 casino with 14,000+ games, crypto payments, daily promos, loyalty levels and fast payout positioning.

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Starda Casino logo 1000x1000
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Good

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4.8/5
Starda Casino
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  • 2-step welcome package
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4.8/5
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  • 4-step welcome package
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Trickz is a promo-heavy online casino built around a 4-step welcome pack, weekly rewards, and a loyalty model that adds more value over time. The platform also stands out for fast withdrawals, broad payment coverage, and recurring provider campaigns that keep the promotions page active after signup.

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Winnerz Casino
Welcome Bonus with 350 FS
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Winnerz is a multi-product platform that combines online casino play with sportsbook betting under one account. The biggest draw is not only the welcome package, but the way weekly cashback, loyalty rewards, weekend promos, provider tournaments, and sports campaigns keep the platform active after the first deposits.

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Winnerz
150% + 100−150 FS for Newcomers
  • Casino and sportsbook together
  • 6,000+ games plus weekly promos
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Winnerz is a multi-product platform that combines online casino play with sportsbook betting under one account. The biggest draw is not only the welcome package, but the way weekly cashback, loyalty rewards, weekend promos, provider tournaments, and sports campaigns keep the platform active after the first deposits.

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Wisho
Welcome offer with up to 400 FS
  • 6,000+ games from 35+ providers
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  • 2-step welcome offer with 400 FS max

Wisho is a euro-only online casino available in selected EU countries (Estonia, Finland, Ireland, Denmark, Sweden), focused on simple payments, controlled access, and a streamlined game library without multi-currency complexity.

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Player`s verdict
4.8/5
Mason Slots
150% up to $/€300 + 100 FS
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  • 20 VIP levels with max reward €10,000
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Mason Slots combines a distinctive Masonic theme with 5,000+ games, a welcome package up to €/$300 + 100 free spins, and one of the more detailed VIP ladders in this segment. It is especially appealing for slot-focused players who value fast withdrawals, level rewards, and recurring tournaments.

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Trusted

Player`s verdict
4.8/5
Avalon78
Welcome package: up to €/$250 +150 FS
AVALON100
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Avalon78 Casino blends a medieval theme with a 4,000+ game library, welcome bonuses, and VIP rewards. It suits players who enjoy immersive design alongside regular promotions and a broad provider mix.

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Trust Level
Trusted

Player`s verdict
4.8/5
Woo Casino
€3,500 + 200 FS for Newcomers
WOO
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  • Generous Welcome package
  • VIP Transfer + cashback
  • Casino + sportsbook in one

WooCasino is a casino and sportsbook platform launched in 2020 with fiat and crypto payments, a 4-step welcome pack up to $/€3,500 + 200 free spins, sportsbook offers, cashback, daily races, and a VIP program that can end with a Porsche 911.

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Slotmill Casinos — Games, Fairness and Where to Play

Slotmill is a slot studio whose games are live at 57 casinos in this catalogue, and every one of those titles carries a fixed RTP above 96% rather than a range that shifts from game to game. That single policy is the first thing worth knowing before picking a Slotmill title: the choice between games comes down to pace and mechanic, not to hunting for a better payout number.

Who Is Slotmill

Slotmill was founded in 2019 in Stockholm, Sweden, by Johan Öhman, a former president and CEO of NetEnt, together with Anders Holmgren, the founder of Betsson, and Andreas Ternström, a former CEO of Evoke Gaming. The company is now headquartered in Malta, with additional offices in Sweden and in Willemstad, Curaçao, and is registered in Malta under company number C92612.

The studio holds licences from the Malta Gaming Authority and the Curaçao Gaming Authority, and its games reach players across Europe, North America and Latin America through distribution partners including SOFTSWISS, EveryMatrix, Games Global, Aristocrat Interactive, SoftGamings, Alea, Bragg, Relax Gaming and Qtech Games. In January 2026 Slotmill extended that reach through a distribution partnership with Bragg Gaming Group, and in March 2026 it opened an additional studio in Fuengirola, Spain, focused on game design, art production and front-end development.

Slotmill has been recognised with a Rising Star award from 5 Star Media in 2021, nominations at the EGR B2B Awards in 2023, and a further Rising Star win at the Starlet Awards by 5 Star iGaming Media in 2025. Release pace has grown from around 6–8 titles a year in its early years to 10–12 a year, a target the studio reached in 2024–2025 — so the portfolio a player meets today is built on a steadier release schedule than it was a few years back.

Which Slotmill Games Suit Which Player

Because RTP is fixed above 96% across the whole Slotmill catalogue, the decision between titles should be made on mechanic and pace rather than on chasing a higher number — that number does not move from game to game. Three signature mechanics run through the portfolio and split naturally by player type.

  • Burst Mode — rapid autoplay of up to two spins per second, suited to a player who wants fast sessions and is comfortable with quick bankroll swings rather than a slower, deliberate pace
  • Fast Track — a way to skip straight into bonus rounds, suited to a player who wants to see the bonus mechanics of a title without grinding through the base game first

A player with a small, cautious bankroll is better served by the base game at standard stakes, leaving Burst Mode and Extra Bet for sessions where faster variance is an accepted trade-off rather than a surprise. A player chasing bonus rounds specifically, rather than base-game play, gets more direct value from Fast Track.

RTP, Volatility and Fairness

To verify technical fairness across regulated jurisdictions, Slotmill holds certifications in countries like Sweden, Latvia, and Lithuania. That figure is a long-run average calculated across a very large number of spins — it describes the mathematical design of the game, not what a single session will pay out, and it says nothing about short-term swings, which are governed instead by a title's volatility and by the player's own stake and session length.

Common Misconceptions

Slotmill games are built at around 10MB per title and still run in full HD, which runs against the common assumption that a small file size means a lower-quality or stripped-down game — the studio's design approach keeps file weight low without cutting visual quality. A second misconception worth naming: a fixed RTP policy does not mean every Slotmill title plays identically session to session. actual results in any single sitting still depend on variance built into that specific title's mechanics, including how Burst Mode or Extra Bet is used.

Verdict on Slotmill

Among providers ranked by how many casinos carry them, Slotmill holds position 91 of 519, carried by 57 casinos in this catalogue — the same reach as Caleta Gaming, below Hacksaw at 138 and well above Spin Joy Games at 6 and Jili at 1. The studio operates with a team of 30–50 professionals who bring more than 250 years of combined industry experience.

Responsible Gambling (18+)

Gambling is entertainment, not a way to make money or fix finances. Set deposit and time limits, take regular breaks, and use self-exclusion tools if play stops feeling like fun. Licensed operators provide these tools — using them is a sign of control, not weakness. Learn more on Responsible Gambling →

Update history

  • Oct 13, 2026 — Covered studio background, founders, licences, signature mechanics, RTP policy and misconceptions
  • Sep 15, 2026 — Updated: attribution wording removed
  • Jul 10, 2026 — Covered studio background, MGA licensing, fixed-RTP policy, iTech Labs certification, Burst Mode mechanics and operator availability.

Slotmill – FAQ

Which casinos carry Slotmill games?

Slotmill games are available at 57 casinos in this catalogue, distributed through partners including SOFTSWISS, EveryMatrix, Games Global, Aristocrat Interactive and others, with licences from the Malta Gaming Authority and the Curaçao Gaming Authority behind the studio itself.

What is the typical RTP on Slotmill slots?

Slotmill applies a fixed RTP above 96% across its entire portfolio rather than varying the figure by title, so the RTP does not differ meaningfully from one Slotmill game to the next.

Who audits or licenses Slotmill?

Slotmill holds licences from the Malta Gaming Authority and the Curaçao Gaming Authority, and the company is registered in Malta under company number C92612.

What makes Slotmill games different from other providers?

Slotmill builds its titles around signature mechanics — Burst Mode for rapid autoplay up to two spins per second, Fast Track to skip straight into bonus rounds, and Extra Bet for higher stakes in exchange for more frequent bonus access — on top of a fixed RTP policy above 96% and a game file size of around 10MB in full HD.

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