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STHML Gaming Slots - Reviews, Demo Play and Bonus Offers

What there is to know about STHML Gaming

STHML Gaming was founded in 2016, making them one of the newest additions to the growing list of Slots Producers around at the moment. Although they may have only been established recently, this does not mean that they are newcomers to the world of games. Situated in Stockholm, Sweden, their team is filled with individuals who have years of experience and are adept at creating exciting slots. It’s clear that the team know their slots with the great range of themes, features and overall quality of the graphics on offer.

They released their very first slot, Stacks of Riches, in October 2017 and went on to create two more exciting slots in 2018. A further two slots have been announced for 2019, the beginning of the company plan to create a total of 5-6 games this year, with a proposal to make 8-9 games in 2020. Overall, the collection of games created by STHML Gaming are high volatility which makes them the perfect choice for players who like to keep everything crossed for a super big win.

Whilst the name may not be familiar, you may have noticed several of STHML Gaming slots through their partner companies. For example, the Van Gogh slot was made as a collaborative effort with Relax Gaming on their Silver Bullet Platform, and as such you may start to notice STHML slots categories under other software providers.

STHML Technology

One of the most promising aspects of STHML Gaming is their innovative use of technology to provide a better gaming experience for the player. The use of STHMLGAMING Smart All Devices means that the user interface (GUI) is much cleaner with each game created so they can adapt to whichever device you are playing on. This means better graphics and slots that can be played in landscape or portrait mode.

Many slots game makers now focus on the mobile slots market, which is great for those who want to play on the go, however, it can leave desktop players feeling left behind regardless of the number of players who prefer to use this gaming method. STHML pride themselves on creating exciting slots that span the entire market, so that all players can play at the same level no matter how they choose to play. It’s something that sets SHTML Gaming out from other software providers and something which their gaming partners have obviously been impressed with too.

Whether you choose to play on your desktop computer, mobile and tablet, the slots that have been created by STHML Gaming will all show the same crisp and detailed graphics as if you were playing via another method. It means that whether you prefer to play out and about on the bus, whilst waiting for your friend or in the line for the cinema, you will still receive the same level of high-quality graphics as though you were playing on your desktop computer.

The STHML Gaming slots

They may only have a small collection, yet the slots created by STHML Gaming are full of fun features, excellent graphics and exciting overall gameplay. Here’s a rundown of the slots that are currently available.

Stacks of Riches

The very first slot created by the studio, Stacks of Riches was released on 25 October 2017. It is a 10 payline slot which is set across a 5 x 3 grid and allows players to win up to 600x their bet.

Overall, it is a very simple slot with fruit machine style symbols falling onto the reels giving players the chance to win big money. It can be hard to compete when there are so many traditional fruit machine themed slots out there, yet Stacks of Riches has a crisp and clean look that allows you to see the time and effort that have gone into the graphics. It is bright and colourful, and the subtle background music instantly draws you in.

In amongst the cherries and lemons, you will also find the higher paying bells, 7s and diamonds. There is a wild feature which will substitute for all other symbols on the reels if it lands in view and a Stack Duplication feature which could mean a hefty increase in your balance. When stacks of the same symbol appear on either reels 1 and 3 or reels 3 and 5, the reel that sits in the centre will be taken over by that symbol, giving players three full reels of duplicated symbols. It’s a simple feature, yet something that is, nonetheless, still exciting when you are spinning the reels.

Van Gogh

Released to the public on 15 October 2018, Van Gogh is a 20 payline slot which gives players the chance to win up to 10,000x their bet thanks to a fun free spins feature.

It’s no surprise that a slot based on the esteemed artist Van Gogh has some beautiful graphics. The slot includes some of his most famous pieces of art, including Sunflowers, The Starry Night, Irises in Vase and Bedroom in Arles, and looks just like a painting with these works of art blended together both on, and off, the reels.

In terms of features, there is plenty on offer, including the Brush Stroke Wilds which will substitute for other symbols to help create a winning combination. Free spins will be awarded when you land three or more of the bonus symbol, however, it is the Colour Splash feature that makes this slot stand out. Each time a symbol containing a splash of coloured paint lands on the reels, the colour will be collected to give extra features during the next free spins bonus. You can expect to see multipliers, wilds, removed symbols and more free spins to keep the slot exciting to play. It’s a perfect choice out of the Free Slots available to play.


One of the more recent released from STHML Gaming is Sunset, a road trip themed slot which gives you up to 1,024 different ways to win. Released in December 2018, players will be given the chance to win up to 243 ways in the base game, yet when the free spins bonus game is triggered, that’s where you stand an even better chance of taking home the riches.

It has a great American mid-west theme to it as players are taken on a road trip along a long road that stretches as far as the eye can see. The sunset creates a beautiful dusky orange background as you look for traditional symbols, along with sunset bonuses and sun wilds. If you find three or more sunset bonus symbols, you will be awarded up to 25 free spins which will add an extra fourth row to the reels, giving you more chance of landing nudging wilds and retriggering more free spins.

This slot has a real easy going feel to it, only heightened by the cool soundtrack which mimics an American road trip movie. It’s a simple set up, yet one that you can’t afford to miss when there are so many ways to win at stake.

Boost It

Originally released to a select few in August 2018, Boost It received a full public release in February 2019. Just like Sunset, there are 243 base paylines which are set across a 5 x 3 grid. If you’re feeling particularly lucky, you may even be in with a chance of landing the maximum win of 8,100x your bet.

Labelled as a catchy game by STHML Gaming, this slot certainly doesn’t disappoint with a 1920’s art deco and jazz themed style, which includes a toe-tapping soundtrack. The gold and black colour scheme makes this slot seem particularly classy, something which many slots overlook.

Once again, you will find traditional style symbols on the reels, including playing card symbols, cherries, 7s and bars. The wild symbol substitutes for all other symbols on the reels, whilst the Wild Reel, or three stacked wilds, will give you and even better chance of landing a winning combination. The Booster Feature is what makes this slot a little different, with a Booster Reel which sits above the reels, adding up to three Booster Features to each spin. You will find expanding wilds, random wilds and a x5 and x10 multiplier, which add a little excitement with each spin.

Perfect Catch

With a release expected in March 2019, Perfect Catch is a 20 payline slot which follows the traditional 5 x 3 grid seen in most of the current STHML slots.

This is a really fun looking slot which is full of colour and quirky characters which you will find deep in the fish pond. In amongst the fish and frogs, you may also come across standard playing card symbols, albeit shaped like fishing hooks to help them tie into the theme, rusty tin cans and old discarded boots, all the things that you don’t want to see littering a pond. Thankfully, the blue, orange and red fish are on hand to help you win a tasty sum. These fish appear on reels 2, 3 and 4 to add multipliers, extra wins and extra wilds to the reels, whilst the free spins bonus symbol could land you up to 30 free spins.

This is a great slot which will no doubt appeal to those who like their slots with more of an entertainment factor than the traditional style casino slots. Once again, the graphics are good and the calming soundtrack is a welcome addition to a fun slot.

The Golden Chase

At the time of writing, this slot was not yet available for real play, with a release date of June 2019 expected, however the demo preview certainly impressed.

Based on the theme of luxury, this slot gives players 243 different ways to win, which can then be increased to 1,024 ways when you take into account the features. Players will get the chance to win 6,500x their bet and will be entertained by the ability to unlock features to boost the free spins.

On the House

Due for release in August or September 2019, On the House is set to be a highly volatile slot with a high maximum win available. There is not too much known about this slot at the moment, with STHML Gaming keeping their lips sealed. However, players have been told to expect free spins, super free spins and a unique feature that has not yet been announced. It will be a casino themed slot with an added posh element, quite possibly replicating the classy style of Boost It.

Boost It 2

Even less is known about this title, which looks to have a release date of October or November 2019. Based on the original Boost It, this follow on will surely only add to the popular features and gameplay that made Boost It so well liked. With no new information yet announced, it’s hard to say what players should expect, however, no doubt Boost It fans will be eager to see what STHML Gaming will do to make the slot even better.

What’s next for STHML Gaming?

So, whilst the software studio doesn’t have many slots in their collection, they still have a quality and fun selection which will certainly peak the interest of slot players. With their online roadmap outlining their plans over the next few years, STHML aren’t looking at going anywhere soon. So whilst they may never be as recognisable as many other software providers out there, you can guarantee that their brand of exciting slots will only keep on growing.



Where are STHLM Gaming from?

STHLM Gaming are a Swedish-based online gambling company, and they’re based in Stockholm, the country’s capital city.

When were they founded?

The game developer was established in 2016; they've gone on to achieve quite a lot in such a short space of time.

What’s “Smart All Devices” all about?

STHLM Gaming released their “Smart All Devices” framework - although, essentially, it’s just a fancy way of saying that their games are all mobile-optimized. It does, however, mean that their titles are developed using HTML5 technology and is similar to what we’ve seen NetEnt do with their “Touch” games.

What types of games do they make?

STHLM Gaming focuses exclusively on developing video slots at the time of writing. It seems unlikely that we’ll see them releasing any casino table games in the near future, as giants like NetEnt and Microgaming have a pretty firm grasp on this section of the market.

Are any of their slots worth playing?

Yes, absolutely. While their portfolio is - at the time of writing - quite small, the game developer has built some really exciting games. Some of their titles worth checking out include Boost It, Stacks of Riches, Sunset and Van Gogh.