Endorphina Slots: Games, RTPs & UK Availability

Endorphina at a glance

Endorphina has spent more than a decade serving players who still enjoy visible paylines, fruit symbols, expanding wilds and a gamble feature. Its better-known games rarely need a long tutorial. The studio has nevertheless experimented with Bitcoin themes, unusual 243-way adventure games, annual Hit Slot editions and a separate Klikz brand for instant and crash products.

The directory contains 190 slot entries and 18 Dice-labelled adaptations. Endorphina sometimes groups editions into families on its own website, but separate releases are kept apart here whenever their reels, paylines or bonus rules differ.

Can you play Endorphina slots in the UK?

We cannot currently verify a lawful Endorphina supply route for British real-money play. Endorphina Limited has an active Malta B2B critical-supply licence, but a Malta licence is not a substitute for the permissions required in Great Britain. Searches of the current UK Gambling Commission register did not produce an Endorphina Limited supplier account.

The jurisdiction lists on Endorphina’s own game pages cover markets including Malta, Germany, Romania, Spain, the Netherlands, Sweden and others, depending on the release. Great Britain is not listed on the current pages we checked. The company celebrated Slovakia as its 54th regulated jurisdiction in November 2025, but did not identify Britain among its current regulated-market announcements.

Some affiliate pages claim that UK casinos carry these games. That is not strong enough evidence. A British operator licence cannot automatically authorise software listed through an unverified route, and an offshore casino accepting British visitors is not a safe alternative. Until Endorphina names a UK-authorised supplier arrangement or appears on the register, we would not tell readers to deposit for these titles.

Free demonstrations on the official Endorphina site remain useful for understanding a game, subject to its age gate and local rules. They do not prove real-money availability. If a British casino displays an Endorphina title, follow the licence link in the casino footer, check the supplier details and ask the operator to identify the approved route before staking.

The 10 essential Endorphina slots

This selection covers the games that best explain Endorphina: its early Bitcoin landmark, award-winning adventures, busy fruit machines, Book-style free spins and newer jackpot features. Each entry opens with the complete branded game thumbnail and closes with a different screenshot of the actual reels or playing interface.

1. Satoshi’s Secret

Satoshi’s Secret gave Endorphina an identity beyond ordinary fruit slots. Released around 2015 and presented at ICE in 2016, it was marketed as the first slot built specifically around Bitcoin. A hooded hacker, a six-reel grid and cryptographic imagery captured a moment when cryptocurrency casinos were still unusual rather than a standard lobby category.

The current official page lists 89.83% RTP, medium-low volatility, 20 paylines and a 6×3 layout. That return is extremely poor by modern online-slot standards. Historical configurations may have differed, but the current public figure is the one a player can verify. The game is important design history, not a value recommendation. It remains an interesting piece of slot history, but the unusually low published return makes it difficult to recommend for ordinary play.

2. Mystery of Eldorado

Mystery of Eldorado is Endorphina’s strongest adventure slot and won a 2019 best-online-slot award listed by the company. It uses five reels, three rows and ten paylines. Three map scatters open ten free games, where a randomly selected symbol can expand across its reel when it completes a win. The map is also wild, and the feature can retrigger.

Endorphina lists 96.05% RTP and high volatility. The format will be familiar to Book slot players, but the jungle expedition gives it a clearer sense of place than many copies. The expanding symbol only grows when enough matching symbols are present, so its appearance alone does not guarantee a payout.

3. Kamchatka

Kamchatka exchanges paylines for 243 ways and builds its feature set around the wildlife and landscape of the Russian peninsula. Volcano scatters award 15 free games with stacked symbols. Geysers landing on the first and fifth reels trigger a separate bonus game, while a bear acts as the ordinary wild.

The official page gives 96.08% RTP and medium volatility. Endorphina lists Kamchatka among its award-winning themed work, and it remains a useful example of the studio moving beyond red sevens without abandoning readable rules. Its wildlife theme and straightforward 243-way structure still make it one of the studio’s most distinctive older games.

4. 2022 Hit Slot

2022 Hit Slot established an annual series that Endorphina still develops. It has five reels, three rows and an unusual 22 fixed paylines. Stacked sevens are wild, stars act as scatters and the classic risk game can double a completed win repeatedly, up to the limit stated in the rules.

The first-party specification is 96.03% RTP and low volatility. It is a straightforward game, and that is the point. Endorphina wraps familiar fruits and diamonds in a yearly identity without forcing in a complicated bonus. Later Hit Slot editions change the layout and mechanics substantially, so the year is part of the product name rather than a cosmetic label.

5. Hell Hot 100

Hell Hot 100 is the defining Endorphina fruit slot. Five reels, four rows and 100 fixed paylines create frequent small line connections, with stacked symbols and a familiar red-hot presentation. It won the Blask Awards Ukraine Game of the Year title announced by Endorphina in February 2026.

The official game page lists 96.07% RTP and low volatility. The high line count means the minimum total bet needs checking because the interface may price the full set of lines together. Hell Hot 20, 40 and Dice variants are separate range records, not selectable modes inside this exact release.

6. Chance Machine 100

Chance Machine 100 has five reels, four rows and 100 fixed paylines. A crown wild appears on the three middle reels and expands vertically when that helps complete combinations. Two different scatter designs award direct prizes, while the classic risk feature offers a separate double-or-lose decision after a win.

Endorphina lists 96.07% RTP and medium volatility. This is one of its stronger classic designs because the central expanding wild is easy to recognise and the two scatters have clearly different functions. The family also includes 20, 40, 90s and several Dice editions, each with its own layout and mathematics.

7. Joker Stoker

Joker Stoker uses five reels, four rows and 40 fixed paylines. The jester wild can appear stacked, while three, four or five scatters award progressively more free games. Endorphina also offers its Bonus Pop access in markets where that feature is permitted.

The official numbers are 96.07% RTP and medium-low volatility. Joker Stoker has become a studio staple because its visual language is immediate: fire, coloured sevens and a large jester face. Joker Stoker Dice adapts the family rather than replacing the original. Joker Stoker Dice is a separate adaptation and should not be mistaken for another setting inside the original game.

8. Book of Santa

Book of Santa combines the familiar expanding-symbol free-spin format with a Christmas theme. The book is wild and scatter, three or more books award ten free games and one ordinary symbol is selected to expand. The game uses five reels, three rows and ten paylines.

Endorphina lists 96.05% RTP and high volatility. Bonus Pop and the classic risk game can be available depending on jurisdiction. The festive artwork does not soften the mathematics: high volatility and an expanding-symbol bonus can produce long stretches with little activity. It is best for players who already like Book games rather than anyone expecting a gentle seasonal slot.

9. Fortune Capybara

Fortune Capybara is a compact 3×3 fruit slot with five fixed paylines. Its sunglasses-wearing captain gives a modest classic format a memorable mascot. Wilds, respins, a roulette-style bonus and the optional risk feature provide more activity than the grid initially suggests.

The official page lists 96.07% RTP and medium volatility. Endorphina lists 96.07% RTP. That is the figure players should compare with the information screen inside the version they are actually offered.

10. Druid’s Fortune

Druid’s Fortune is a June 2026 release with five reels, three rows and 20 fixed paylines. Expanding druid wilds occupy the middle reels. Coloured magic stones feed the Heart of Harmony bonus, while hold-and-win, collection and pick features lead to Min, Mid, Max and Ultra fixed jackpots up to 10,000x.

The official page lists 96.06% RTP and high volatility, but currently marks the product Pending. Availability can vary by market and operator, so players should check the status shown by Endorphina and the casino carrying the game. It remains useful as evidence of the studio’s modern feature direction.

Endorphina vs rival slot providers

Endorphina competes best with suppliers that still take classic slots seriously. Hell Hot, Chance Machine, Hit Slot and Joker Stoker make sense to players who want familiar symbols, visible paylines and moderate rule depth. Quickspin and modern NetEnt releases generally offer more elaborate feature narratives.

Games Global provides far greater variety because it represents many studios. Endorphina’s advantage is a coherent range. Its fruits, books and regional adventures look as if they came from the same production culture, even when the quality and mathematics vary.

Endorphina game families worth knowing

Hell Hot

Hell Hot 20, 40 and 100 use different line structures, and newer Burning Hell releases extend the fire-and-fruit theme. The number is not a difficulty setting. It normally identifies a separate grid or payline configuration. Hell Hot 100 is the flagship because it combines the most recognisable presentation with the provider’s award recognition.

Chance Machine

Chance Machine 20, 40 and 100 centre on diamonds, crowns, sevens and expanding wilds. Chance Machine 90s, dated June 2026, changes direction with a 3×3 grid, five lines, hold-and-win and jackpot features. Dice variants are separate releases, so a shared family name does not guarantee the same mathematical model.

Hit Slot by year

2020 through 2026 Hit Slot releases are annual markers, but their rules change. The 2022 edition has 22 lines and low volatility. The 2023 game uses 4,096 ways and wild multipliers. The 2026 release has 50 lines, seven choose-and-combine Hit Hold variations and fixed jackpots up to 2,000x. Fans should pick by mechanism rather than assume the newest year supersedes every earlier design.

Books and expanding symbols

Book of Santa, Book of Lady, Book of Ganesha and several culturally themed books share the scatter-wild and expanding-symbol language. They can still differ in RTP, volatility and additional hold bonuses. Book of Santa is the cleanest introduction. Book of Ganesha adds a Sacred Hold bonus and more contemporary collection mechanics.

Dice editions

The directory contains 18 games classified as Dice, including Joker Stoker Dice, Royal Xmass 2 Dice and Chance Machine Dice variants. These are casino slots styled around dice rather than live craps tables. Their separate records matter because reels, lines and bonus rules may change even when the base name is familiar.

Endorphina’s signature slot mechanics

Expanding wilds

Chance Machine uses a crown that expands on the middle reels when it completes a win. Mystery of Eldorado and Book of Santa choose a special symbol for free games. Both are called expanding mechanics, but they work differently. Read whether the symbol expands on appearance or only when a qualifying combination already exists.

Classic risk game

Many Endorphina slots let the player gamble a completed prize against a card or colour outcome. A successful choice can double the win, and repeated success can multiply it further. The decision does not improve the underlying slot RTP merely because the screen calls it a skill or choice. Taking the original win removes the extra all-or-nothing exposure.

Bonus Pop

Bonus Pop is Endorphina’s direct feature-access tool. Availability depends on market and operator rules, and the price can be a large multiple of the ordinary total bet. It changes how quickly a bonus begins, not the fact that its result remains volatile. A demo showing the button is not proof that a British or other local casino can offer it.

Hold and win, collectors and jackpots

Recent releases increasingly use locked coin symbols, collectors, pick games and fixed jackpot tiers. Druid’s Fortune brings several of these systems together. Burning Coins 100 advertises extended bonuses and very large top multiples. More labelled jackpots do not mean a progressive network pot; Endorphina’s Min, Mid, Max and Ultra awards are often fixed game prizes.

Pile Feature

The Pile Feature appears in current Endorphina slots such as Druid’s Fortune, Burning Coins 100 and Chance Machine 90s. Tokens or related symbols build towards an enhanced bonus state. Its exact thresholds differ by game, so the name should be treated as a design family rather than a universal set of rules.

Endorphina RTP, volatility and maximum wins

Most featured Endorphina games cluster around 96.03% to 96.08%. Hell Hot 100, Chance Machine 100, Joker Stoker and Fortune Capybara are each 96.07% on their first-party pages. Kamchatka is 96.08%, while Mystery of Eldorado and Book of Santa are 96.05%. These are reasonable headline returns, subject to the exact version loaded by an operator.

Satoshi’s Secret is the major exception at 89.83% on the current page. That is too low to dismiss as a minor configuration difference. A fan may still value its place in cryptocurrency-slot history, but a player concerned with long-run value has much stronger options in the same portfolio.

The game directory contains RTP for only 19 of 208 rows and volatility for nine. It contains a maximum-win value for 147 rows, but some appear to be monetary exposure rather than clean stake multipliers. We therefore do not calculate a provider average or rank games by raw maximum. Blank and ambiguous information fields remain visible in the table.

Fortune Capybara demonstrates why reconciliation matters. Its information RTP is 98.07%, while Endorphina says 96.07%. The two digits are probably transposed, but only the directory owner can formally correct the feed. Our editorial text follows the official page and the exact range table preserves the listed cell.

Endorphina history

The company’s first decade is a useful lesson in portfolio building. Early regional and themed games created range, Satoshi’s Secret listed a memorable technology story, and a Malta licence supported regulated distribution. Endorphina then developed repeatable families without abandoning one-off releases.

The Klikz launch in September 2025 separates crash and instant products from the main slot identity. Endorphina described it as a distinct brand, with AceX, DiceX and Tower of Squeaks as examples. Those should not automatically be counted among the 208 Endorphina rows in our information, which consists almost entirely of slots and Dice-branded slot adaptations.

Who owns and runs Endorphina?

Endorphina’s official company page identifies Endorphina Limited as a Malta-registered company, C77672, at ST Tower in Ta’ Xbiex. First-party interviews describe the development business as Czech-based and refer to offices in Malta. The Czech telephone contact and Prague history remain visible parts of the public identity.

Jan Urbanec was named as chief executive in company interviews through 2023. More recent 2025 and 2026 material names Artyom Moskvin as chief operating officer and Kirill Miroshnichenko as chief commercial officer, but the current About page does not publish a complete leadership list. We therefore do not present an older interview title as guaranteed current fact.

Endorphina does not publish a parent company, founder list or beneficial-ownership chart on the public pages checked for this review. The correct public description is Endorphina Limited and its named operating executives, not an invented owner copied from an unverified business directory.

The company claims 180 professionals, 200 games, 26 industry awards and 6,000 global partners. These are Endorphina’s own current marketing figures. They are useful evidence of scale, but they are not independently audited financial measures and should be labelled as claims.

Is Endorphina fair? Licensing and testing

The official MGA authorisation seal lists Endorphina Limited as licensed under MGA/B2B/404/2017 for Type 1 casino critical supply. It shows the Ta’ Xbiex address and licensed status. Endorphina says the licence was issued on 1 August 2018.

The company says its games are tested by accredited laboratories including GLI and that its information-security management system is certified to ISO/IEC 27001:2022. Testing, information security and gambling authorisation address different questions. An ISO certificate does not prove the RTP of one game, and an MGA supplier licence does not create UK permission.

Endorphina’s current pages are unusually helpful in listing jurisdictions for each product. Mystery of Eldorado has a long approval list; new Druid’s Fortune currently shows a much smaller set and Pending status. Fans should treat approval as game-specific and market-specific rather than assume the entire 200-game portfolio travels together.

Fair random play does not guarantee a balanced session. High-volatility Book of Santa can miss its feature repeatedly, and a low-volatility fruit game can still lose the full session budget. Regulation concerns tested rules and lawful supply, not protection from ordinary house advantage.

New Endorphina slots for 2026

The game directory dates 17 Endorphina rows in 2026. They include Crown Coins Dice in January, 3 Royal Dracos, 3 Coin Towers, 2026 Hit Slot, Nazar Wishes, Lucky Streak 1000 Dice, Burning Hell 3000, Sloth Game, Football 2026, Fortune Bankers, Chance Machine 90s, Druid’s Fortune and Burning Coins 100.

Burning Coins 100 is the newest dated game entry at 1 July. Its official page lists 96.05% RTP, high volatility, 100 paylines and hold-and-win jackpots with advertised extended awards up to 200,000x. That figure is a remote top endpoint, not an expected bonus result.

Zalatar is the single range row marked Upcoming and has no listed release date. It is also the native Coming Soon promotion in the clean official website capture. The page should remain a roadmap reference until Endorphina publishes final specifications and changes its release status.

MooFo appeared on Endorphina’s news feed on 9 July 2026 but is absent from the listed 19 July range under the exact Endorphina Provider field. That illustrates the limits of every snapshot. We do not add a row that is not present in the master information, although the release belongs in an account of current company activity.

Which Endorphina slot should you try?

For free-play exploration, Mystery of Eldorado and Chance Machine 100 are the best introductions. Each shows a house strength without demanding a long rules lesson. Hell Hot 100 suits classic fans. Satoshi’s Secret matters historically, but its current return makes it difficult to justify for real stakes even in a jurisdiction where it is approved.

Our verdict on Endorphina

Endorphina earns credit for longevity, a coherent design identity and a range that respects traditional slot players. Satoshi’s Secret, Mystery of Eldorado, Hell Hot 100, Chance Machine 100 and Joker Stoker are recognisable for different reasons. Current games also show more ambitious collection and jackpot structures without making every release needlessly complicated.

The deductions are significant for this British guide. We cannot verify a current UKGC supply route, so the page cannot recommend a real-money destination. First-party and range statuses conflict on Druid’s Fortune, Fortune Capybara contains a material information RTP error, and Satoshi’s Secret’s current 89.83% return is poor. Ownership and current top leadership are also less transparent than they could be.

Endorphina suits fans of fruits, books, visible paylines, expanding wilds and Central European slot design. Look elsewhere when you need verified British availability, consistently strong RTP, transparent current ownership or a portfolio dominated by highly original modern mechanics.

Endorphina game directory

This directory contains 208 Endorphina entries across classic slots, themed games and Dice-labelled adaptations. Missing mathematical figures remain blank.

Endorphina FAQs

Who owns Endorphina?

Endorphina does not publish a parent company or beneficial-owner chart on its public site. The licensed operating company is Endorphina Limited.

Where is Endorphina based?

Endorphina describes Czech roots and a Czech-based development business. Endorphina Limited is registered in Malta at ST Tower, Ta’ Xbiex.

Can you play Endorphina slots in the UK?

We cannot currently verify a British supplier route. Endorphina is absent from the UKGC business searches and Great Britain is absent from the game jurisdiction lists checked.

Is Endorphina licensed?

Yes. Endorphina Limited holds Malta B2B critical-supply licence MGA/B2B/404/2017 for Type 1 casino services.

What is Endorphina’s best-known slot?

Satoshi’s Secret is its historical landmark, while Hell Hot 100, Chance Machine 100, Joker Stoker and Mystery of Eldorado are major fan titles.

What RTP do Endorphina slots use?

Many featured games sit around 96.03% to 96.08%. Satoshi’s Secret is a major exception at 89.83% on its current official page.

What RTP does Fortune Capybara use?

Endorphina lists Fortune Capybara at 96.07% RTP. The game information screen should confirm the setting used by a particular casino.

How many Endorphina games are listed here?

The directory contains 208 Endorphina entries, including 18 Dice-classified games and one upcoming title.

What is Endorphina’s Bonus Pop?

Bonus Pop is an optional direct feature-access system. Its price and availability depend on the game, operator and jurisdiction.

What is the next Endorphina game?

Zalatar is listed as an upcoming release on Endorphina’s website.