Holmes and the Stolen Stones Review

Joe Napier
July 16, 2026
Holmes and the Stolen Stones

Release Date

Sep 24, 2015

Provider

Yggdrasil Gaming

RTP

96.8%

Volatility

Medium

Max Win

600x

Hit Frequency

30.0%

Min Bet

0.2

Max Bet

40

Holmes and the Stolen Stones by Yggdrasil Gaming is a detective-themed progressive jackpot video slot that combines mystery-inspired visuals with collectible gameplay and jackpot hunting. Set across 5 reels and 20 paylines, players follow Holmes and Watson as they search for stolen gemstones while collecting coloured diamond shards that unlock one of five local progressive jackpots. Alongside the Warehouse Bonus and Jackpot Free Spins feature, the game focuses on steady feature progression and the chance to land significant jackpot prizes. With a verified RTP of 96.80%, low volatility, and mobile optimisation, Holmes and the Stolen Stones remains a distinctive title in Yggdrasil’s catalogue. As always, UK players should verify the RTP configuration before wagering real money and only play at fully licensed UKGC casinos. 

Casinos Where You Can Play Holmes and the Stolen Stones in the UK

Key Holmes and the Stolen Stones Facts

FeatureInformation
Release Date09/09/2015
ProviderYggdrasil Gaming
ThemeDetective, Mystery, Progressive Jackpot
Reels5
Paylines20 Fixed Paylines
VolatilityLow
UK RTP Version96.80%
Global Max RTP96.80%
RTP Range96.80%
Min/Max Bet (UK)£0.20 – £40.00
Maximum Win£30,000 Progressive Jackpot
Hit FrequencyApproximately 25.6% (around 1 in 3.9 spins) 

UK Compliance Deep Dive: Is Holmes and the Stolen Stones Fair & Legal?

RTP Variation Warning: The highest available RTP for Holmes and the Stolen Stones is 96.80%, as published by Yggdrasil Gaming. Some casino operators may offer lower RTP configurations, so UK players should always check the in-game information menu or paytable before wagering real money. Playing at a fully licensed UKGC casino helps ensure you’re accessing an authorised version of the game. 

UKGC Banned Features Check: Holmes and the Stolen Stones complies with modern UK gambling requirements. The game does not include a Bonus Buy feature, which is prohibited for UK-licensed operators, and licensed casinos must also ensure compliance with UKGC rules covering autoplay restrictions, spin speed, and responsible presentation of wins. 

Stake Limit Compliance: UK stake limits also apply when playing this slot. Under current regulations, players aged 25 and over are limited to a maximum online slot stake of £5 per spin, while players aged 18 to 24 are limited to £2 per spin. Licensed UK casinos enforce these limits automatically, regardless of the game’s wider betting range. 

Responsible Gambling Integration: Although Holmes and the Stolen Stones is officially rated as a low-volatility slot, it includes progressive jackpots that can encourage longer playing sessions. Using responsible gambling tools such as deposit limits, reality checks, session reminders, and time-outs can help players stay in control of their spending and playing time. 

Fairness & RNG Certification: Like other Yggdrasil releases, Holmes and the Stolen Stones uses a certified Random Number Generator (RNG) to determine every spin independently. Outcomes are random, previous results have no influence on future spins, and neither the player nor the casino can predict or manipulate results, ensuring fair gameplay across licensed operators.

First Impressions: Theme, Graphics & Soundtrack

Holmes and the Stolen Stones transports players to Victorian London, where Sherlock Holmes and Dr Watson are on the trail of a cache of stolen diamonds. The dark streets, atmospheric lighting and detailed reel symbols create an authentic detective setting, while Yggdrasil’s polished animations give the game a cinematic feel. Every aspect of the presentation reinforces the mystery theme, from the warehouse bonus scenes to the colourful diamond shard collection displayed above the reels. 

The soundtrack complements the visuals with suspenseful orchestral music, ticking clocks and subtle ambient effects that evoke the feeling of solving a Victorian crime. Symbol animations are smooth without becoming distracting, and the interface clearly displays the five progressive jackpots and each reel’s shard collection, making it easy to track your progress throughout a session. 

Base Game Mechanics & Payouts

Holmes and the Stolen Stones is played on 5 reels with 20 fixed paylines. Wins are formed by landing matching symbols from left to right, starting on the leftmost reel. Unlike many modern video slots, the game does not include a Wild symbol. Instead, two different keyhole symbols trigger the game’s special features: one activates the Warehouse Bonus, while the other awards Jackpot Free Spins. 

The gameplay revolves around collecting coloured diamond shards during both the base game and Warehouse Bonus. Each reel tracks a different shard colour, and collecting five matching shards automatically triggers Jackpot Free Spins with one matching diamond already awarded. During the free spins feature, every win receives a 3x multiplier, while collecting five diamonds of the same colour awards the corresponding progressive jackpot. This combination of shard collection, bonus features and jackpot chasing gives the slot its distinctive gameplay loop. 

Highest-Paying Symbols

Symbol5-of-a-Kind Payout
Sherlock Holmes200x total stake
Dr Watson100x total stake
Notebook50x total stake
Magnifying Glass37.5x total stake

A Closer Look at the Bonus Features for Holmes and the Stolen Stones

Holmes and the Stolen Stones revolves around four core features that work together to create its progressive jackpot system. Rather than relying solely on standard free spins, players collect coloured diamond shards throughout the base game and bonus feature to gradually unlock opportunities to win one of five local progressive jackpots. 

The Warehouse Bonus is triggered by landing three or more Bonus keyhole symbols anywhere on the reels. If four or five Bonus symbols trigger the feature, players receive an instant award of 1,000 or 10,000 coins respectively before entering the bonus round. Inside the warehouse, players select from 18 sealed crates containing coin prizes, coloured diamond shards and a smoke bomb. The feature continues until the smoke bomb is revealed, with any collected shards carried back into the base game. 

Players collect coloured diamond shards on each reel during both the base game and the Warehouse Bonus. When five matching shards have been collected, Jackpot Free Spins are automatically triggered with one completed diamond of that colour already awarded. This persistent collection system creates steady progression towards the game’s biggest prizes across extended play sessions. 

Jackpot Free Spins can also be triggered by landing three or more Free Spin keyhole symbols. The feature awards 10 free spins, and every win receives a 3x multiplier. Collecting five completed diamonds of the same colour during the feature awards the corresponding local progressive jackpot, making this the primary route to the game’s biggest payouts. 

How Does Holmes and the Stolen Stones Compare to Other Slots?

FeatureHolmes and the Stolen StonesValley of the Gods
RTP96.80%96.20%
Maximum Win£30,000 Progressive Jackpot5,800x stake
VolatilityLowHigh
Main FeatureProgressive Jackpots & Shard CollectionRespins & Expanding Reels
Reels55×5
Gameplay StyleJackpot CollectionHigh-Volatility Respin Slot

Verdict: Holmes and the Stolen Stones offers a very different experience from Valley of the Gods. Rather than focusing on high-volatility respin sequences, Holmes and the Stolen Stones rewards players through its shard collection system, Warehouse Bonus and progressive jackpots. Players who enjoy collecting features and chasing jackpots over longer sessions are likely to appreciate its slower-paced gameplay, while those seeking more frequent high-impact bonus rounds may prefer Valley of the Gods. 

From the Player’s Mouth: Real Experiences & Expert Advice

Player Sentiment: Many players praise Holmes and the Stolen Stones for offering a fresh take on progressive jackpot gameplay. Instead of relying purely on random jackpot triggers, the shard collection mechanic provides a visible sense of progression, giving players regular milestones to work towards while maintaining the detective theme. The Warehouse Bonus is also frequently highlighted as one of the game’s most entertaining features thanks to its pick-and-click format and the chance to collect multiple diamond shards in a single round. 

Expert Tips for Volatility:

  • Tip 1: Play with a bankroll that allows for longer sessions, as collecting diamond shards and completing diamonds is designed to happen over time rather than within just a few spins.
  • Tip 2: Don’t overlook the Warehouse Bonus. Besides offering instant cash prizes, it is one of the quickest ways to collect additional shards and move closer to Jackpot Free Spins.
  • Tip 3: Remember that every win during Jackpot Free Spins receives a 3x multiplier, so this feature offers the best opportunity to combine larger line wins with a chance of landing one of the five progressive jackpots. 

Holmes and the Stolen Stones Mobile Performance

Holmes and the Stolen Stones is fully optimised for mobile play using HTML5 technology, allowing the game to run smoothly on both iOS and Android devices without requiring a download. The interface automatically adapts to different screen sizes while preserving the full gameplay experience, including the Warehouse Bonus, shard collection system and progressive jackpots. Touch controls are responsive, animations remain smooth, and both portrait and landscape play offer a comfortable experience for players on smartphones and tablets. 

Pros & Cons of Holmes and the Stolen Stones

Pros

  • Verified 96.80% RTP in the highest-return configuration.
  • Five local progressive jackpots provide long-term jackpot potential.
  • Warehouse Bonus adds an engaging pick-and-click feature.
  • Diamond shard collection creates visible progression towards Jackpot Free Spins.
  • Fully optimised for desktop, tablet and mobile play. 

Cons

  • Lower RTP versions may be available at some casinos.
  • Low-volatility gameplay may not appeal to players seeking frequent large wins.
  • Progressive jackpot mechanics reward longer sessions rather than quick payouts.
  • No Wild symbol in the base game. 

Is Holmes and the Stolen Stones Worth Your Time & Money?

Holmes and the Stolen Stones earns a solid 8.5/10 thanks to its distinctive detective theme, rewarding shard collection system and five progressive jackpots. Rather than relying on constant high-volatility bonus rounds, the game encourages steady progression through collected diamond shards that gradually unlock Jackpot Free Spins and larger jackpot opportunities. Its 96.80% RTP, polished presentation and mobile optimisation make it a strong choice for players who enjoy feature-driven gameplay with long-term jackpot potential. 

If you’re looking for a Yggdrasil slot that combines classic detective storytelling with progressive jackpots and unique collection mechanics, Holmes and the Stolen Stones is well worth trying at a licensed UK casino offering the highest available RTP configuration. 

Holmes and the Stolen Stones Frequently Asked Questions

What is the Holmes and the Stolen Stones RTP in the UK?

The highest available RTP is 96.80%, although some operators may offer lower RTP configurations. Always check the game’s information screen before playing for real money. 

Can I play Holmes and the Stolen Stones for free in the UK?

Yes. Many UK-licensed online casinos offer a demo version that lets you try the game without wagering real money. 

What is the top prize in Holmes and the Stolen Stones?

The game features five local progressive jackpots, with the highest jackpot capable of reaching £30,000, depending on the individual casino’s jackpot pool. 

Is there a Bonus Buy feature in the UK version?

No. Holmes and the Stolen Stones does not include a Bonus Buy feature. All bonus features are triggered naturally through gameplay. 

Which Yggdrasil slots are similar to Holmes and the Stolen Stones?

Players who enjoy Holmes and the Stolen Stones may also like Valley of the Gods, Vikings Go Berzerk, and Tut’s Twister, which combine distinctive themes with feature-rich gameplay. 

How do I win one of the progressive jackpots?

Progressive jackpots are awarded during Jackpot Free Spins after collecting five completed diamonds of the same colour. Diamond shards are collected during the base game and Warehouse Bonus to help complete each diamond. 

Game Type

Video Slot

Game Features

Free Spins Progressive Jackpots Scatter Symbols

Technical Details

Layout

5x3

Paylines

20

Bet Range

€0.2 - €40