The Immortal Romance Series: Every Slot in the Family Compared

Immortal Romance is the vampire saga that taught slots to tell stories: four characters, a hidden lore, and a free-spins structure you had to earn your way through. Fifteen years on, the 2011 classic anchors a genuine family: Immortal Romance 2, 2025’s Sarah’s Secret, the Mega Moolah progressive edition and some unlikely spin-offs. All four get the full comparison below.
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The family at a glance · Every game reviewed · Full family tree · The original: quick facts · RTP & the maths · History · Beyond the reels · What players say · Biggest wins · Which game? · FAQs · Series vs series
The Whole Immortal Romance Family, RTP by RTP
The classic line is Games Global (née Microgaming), with the modern sequels built by Stormcraft Studios, the team behind the network’s biggest jackpot games. Published figures checked 3 July 2026:
| Game | Year | RTP | Max win | Standout feature |
|---|---|---|---|---|
| Immortal Romance | 2011 | 96.86% | 12,150x | Chamber of Spins: four modes you unlock over time |
| Immortal Romance 2 | 2024 | 96.30%* | 15,000x | All chambers open day one; modernised Wild Desire |
| Sarah’s Secret | 2025 | 96.5%* | 5,000x | Sarah’s solo chapter, high volatility |
| Mega Moolah edition | 2021 | 93.40% | Progressive | The classic wired to the Mega Moolah pot |
*Both Stormcraft titles ship configurable builds. IR2 goes down to 92.30% and Sarah’s Secret to 92.5% at some casinos, and the 2011 original also exists in a reduced 96.01% build. Check the paytable.

The family: fifteen years undead and still recruiting.
Every Immortal Romance game, reviewed
1. Immortal Romance (the original)

The 2011 original remains one of the most loved slots ever made, and the reasons hold up. The Chamber of Spins gave each character their own free-spins mode: Amber’s always available, Troy’s after five triggers, Michael’s after ten, Sarah’s Wild Vine mode after fifteen. That made progress itself the hook, years before “games as a service” reached slots. Wild Desire randomly sets up to five reels wild between spins. Add a 96.86% published RTP (generosity from another era) and a 12,150x ceiling, and the legend needs no nostalgia discount.

Wild Desire: the original’s reels catch fire, 243 ways at a time.
2. Immortal Romance 2

Thirteen years is a long wait for a sequel, and Stormcraft’s 2024 follow-up treats the original like scripture: same cast, same chambers, same Wild Desire, everything rebuilt in modern fidelity. The controversial change: every chamber is open from the first spin, trading the original’s slow-burn progression for instant access, with the ceiling raised to 15,000x at a published 96.30%. Purists grumble; everyone else gets the best-looking vampire slot ever shipped.

Wild Desire, remastered: IR2 sets the reels burning in HD.
3. Immortal Romance Sarah’s Secret

Late 2025’s chapter hands the story to Sarah, the saga’s scholar-witch, in a high-volatility solo outing at 96.5% published (with lower builds circulating) and a 5,000x cap. It’s the family’s first character spin-off, a sign Games Global intends to run this universe the way studios run film franchises.

Sarah’s Secret: the saga’s first solo chapter.
4. Immortal Romance Mega Moolah

The 2021 edition welds the classic game to the most famous progressive network in the world, the Mega Moolah pot that has paid eight-figure sums. The toll is brutal: 93.40% published, nearly three and a half points below the original. You’re buying lottery tickets with every spin; know that going in, and it’s an honest trade.
5. The spin-offs: Video Bingo and Roulette

Proof of the brand’s pull: Immortal Romance exists as a video bingo game and a themed roulette table, the cast dealing numbers instead of free spins. Curiosities rather than essentials, but few slot brands ever earn a table-games wing at all.
Close cousins outside the family
Immortal Romance’s design DNA came from Microgaming’s own Thunderstruck II (2010), which pioneered the unlockable-chambers structure a year earlier; the two are effectively siblings raised in different genres. Modern descendants are everywhere; NetEnt’s Blood Suckers shares the fangs but not the storytelling. Among our guides, only Age of the Gods matches it for universe-building ambition.
The complete family tree
| Game | In one line |
|---|---|
| Immortal Romance (96.01% build) | The reduced-RTP version some casinos quietly run |
| Immortal Romance Mega Moolah | The classic carrying the famous progressive |
| Immortal Romance 2 King Millions | The sequel’s own jackpot-network edition |
| Sarah’s Secret | 2025’s solo character chapter |
| Video Bingo / Roulette | The brand’s table-and-bingo excursions |
Checked 3 July 2026. Games Global rebadged the Microgaming catalogue in 2022, so older casinos may still credit Microgaming on the same games.
The original: quick facts
| Provider: | Games Global (originally Microgaming) |
| First released: | 2011 |
| Layout: | 5 reels × 3 rows, 243 ways |
| RTP: | 96.86% (a 96.01% build also exists) |
| Volatility: | Medium to high |
| Signature feature: | Chamber of Spins, four character modes unlocked across repeat triggers, plus random Wild Desire |
✓ Facts checked 3 July 2026
The maths: 2011 generosity vs 2026 reality
The original’s 96.86% is the highest published RTP of any flagship we cover, a relic of an era when slots competed on maths. The family tells the industry’s story in one row of numbers: 96.86% (2011), 96.30% (2024), 93.40% (the progressive). Expected average cost per 100 spins on the classic (3.14% house edge):
| Stake | 100 spins staked | Expected average cost (3.14%) |
|---|---|---|
| 10p | £10 | £0.31 |
| £1 | £100 | £3.14 |
| £5 | £500 | £15.70 |
✓ Calculated from the published 96.86% RTP, checked 3 July 2026
One warning: verify which build your casino runs, because the 96.01% version of the original and the 92.30% floor of the sequel wear identical clothes. Tools on our Responsible Gambling page.
History and legacy
Microgaming released Immortal Romance in December 2011, riding the Twilight-era vampire wave with something slots had never had: an actual serialised story, told through unlockable modes and hidden lore pages. It became the studio’s evergreen, the game that never left the most-played lists. It survived a licensing scare that briefly threatened its removal, gained the Mega Moolah edition in 2021, and finally got its sequel from Stormcraft in 2024 with Sarah’s Secret following in 2025. Games Global now treats it as a franchise universe, and on current evidence the appetite is there.
Why this family still matters
Because it showed theme could be architecture rather than wallpaper. The Chamber of Spins made players return to progress, not just to spin. That is the single most copied retention idea of its decade, and the four-character structure gave every later “story slot” its blueprint. The 2011 original also stands as a monument to pre-compression maths: 96.86% published, from a market that no longer builds them like that.
Beyond the reels
Immortal Romance’s world extends past the reels by design. The lore pages built into the game spawned fan wikis, the soundtrack has a genuine following, and Games Global has since spun the brand into video bingo and a themed roulette table. Character spin-offs (Sarah’s Secret first) suggest the studio now treats the cast the way film studios treat a cinematic universe.
What players say
Fifteen years of player devotion have made this the community’s comfort classic, the slot people return to between trends, praised for the earned-progression chambers and a soundtrack players genuinely mention unprompted. The sequel’s all-chambers-open change remains the great debate: newcomers call it sensible, veterans call it sacrilege.
The biggest Immortal Romance wins
Wild Desire is where this family’s legends live: five reels turning wild without warning has produced the classic’s biggest recorded moments for over a decade. Here’s one such moment, from a player recording:

Taken from a player recording, for illustration. Wild Desire is named honestly: it desires, it rarely delivers.
Choosing Between Every Immortal Romance Version
| If you want… | Play | Why |
|---|---|---|
| The legend, and the best maths | Immortal Romance | 96.86% published and the earned-progression magic |
| The modern experience | Immortal Romance 2 | Everything remastered, 15,000x ceiling |
| The newest chapter | Sarah’s Secret | High-volatility solo story, 2025 vintage |
| A shot at a mega jackpot | Mega Moolah edition | Eight-figure pots, priced into the RTP |
Other Slots Like Immortal Romance Worth Knowing About
Knowing what Immortal Romance isn’t is as useful as knowing what it is, so here’s how it differs from Money Train, Action Bank and Diamond Mine, particularly if Chamber of Spins isn’t the deciding factor for you.
| Series | Choose them if… | Choose Immortal Romance if… |
|---|---|---|
| Money Train (Relax Gaming) | You’re drawn to Relax Gaming’s approach, The Money Cart | Games Global’s Chamber of Spins is closer to what you’re after |
| Action Bank (Barcrest, now part of Light & Wonder) | Barcrest’s The Big Bank Bonus sounds more like your kind of session | Games Global’s Chamber of Spins is closer to what you’re after |
| Diamond Mine (Blueprint Gaming, under licence from Big Time Gaming) | You’d rather have medium volatility, closer to TNT mystery symbol | You want high volatility and Games Global’s Chamber of Spins |
If nothing else, this comparison should make it clear that Chamber of Spins is what makes Immortal Romance worth its own dedicated page.
Our verdict on the original
SlotsLike score: 9/10. The story slot that still out-designs its imitators, at maths nobody publishes anymore.
| Features: | 9/10, four earned chambers plus Wild Desire; progression as a feature |
| Win potential: | 8/10, 12,150x through Sarah’s Wild Vine, remarkable for 2011 |
| Design: | 8/10, gothic atmosphere and a soundtrack players genuinely remember |
| Playability: | 9/10, 243 ways, no manual, fifteen years of proof |
Play it if you want the best-aged slot of its generation at the family’s best maths. Look elsewhere if you need modern pace and polish; the sequel exists precisely for you.
Immortal Romance FAQs
How many Immortal Romance games are there?
Four slots: the 2011 original, Immortal Romance 2 (2024), Sarah’s Secret (2025) and the Mega Moolah edition (2021), plus video bingo and roulette spin-offs.
Who makes Immortal Romance?
The original is Microgaming, now branded Games Global; the sequels are built by Stormcraft Studios for the same network.
What is the RTP of Immortal Romance?
96.86% published for the original (a 96.01% build exists), 96.30% for IR2, 96.5% for Sarah’s Secret and 93.40% for the Mega Moolah edition.
How does the Chamber of Spins work?
Each character has their own free-spins mode: Amber’s is available immediately, Troy’s unlocks after 5 bonus triggers, Michael’s after 10 and Sarah’s Wild Vine mode after 15. In the sequel, all four are open from the start.
What is Wild Desire?
The random feature both flagship games share: up to five full reels turn wild on any spin, without warning.
Which version has the biggest win potential?
Immortal Romance 2 publishes a 15,000x ceiling; the original reaches 12,150x; the Mega Moolah edition’s progressive is uncapped in practice.
Is Immortal Romance related to Thunderstruck II?
As a design sibling, yes. Thunderstruck II introduced the unlockable-modes structure in 2010 and Immortal Romance perfected it a year later. Different themes, same architectural family.
Are these games fair?
Yes. Games Global titles are UK Gambling Commission licensed and independently audited.
Sources & Verification
Primary sources checked 3 July 2026, re-verified 9 July 2026: Games Global’s own corporate site for the Microgaming/Stormcraft Studios relationship; and the UK Gambling Commission’s public register (Games Global Operations Limited, account 58841).





