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HomeHigh RTP Slots › Mr Spin / Holmes and the Stolen Stones
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Mr Spin & Holmes and the Stolen Stones — UK Player Review

Mr Spin is a UKGC licensed UK casino, operating since 2008. Current welcome bonus carries a 20x wagering requirement (fair wagering). Expected value on a £100 bonus: +£20 after wagering. Mobile-first low stake operator since 2008 with fast payouts. 18+ only, BeGambleAware.org.

Holmes and the Stolen Stones by Yggdrasil has an RTP of 96.3% — above the UK market average. Variance: medium — a good balance of win frequency and size. UK community discussion, session reports and bonus experiences below.

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High RTP Slots👤 Tom D. · 3634 posts · 👁 13,416 views · 📅 Fri 18th Apr 2025

Mr Spin & Holmes and the Stolen Stones UK 2026 — High RTP Slots

Just seen this thread and had to chip in. What actually matters here is when it comes to Mr Spin and Holmes and the Stolen Stones.

Sticky bonuses where you cannot withdraw the bonus amount itself are generally worse than cash bonuses even with a lower headline figure.

RTP is the return to player percentage over millions of spins. In any individual session it means almost nothing.

EV check on Mr Spin welcome bonus: With 20x wagering on a £100 bonus, you need to stake £2000. At a 4% house edge that costs £20 to complete. Expected value: +£20. Positive EV — worth claiming under current UKGC rules.

Key stats: Mr Spin — founded 2008, 300 games, withdrawals typically within 2 hours. Holmes and the Stolen Stones — Yggdrasil, 96.3% RTP, medium variance.

If a casino is asking for documents before you can withdraw that is standard KYC not a scam. Upload them early to avoid delays.

More in High RTP Slots · Casino Bonuses · No Deposit · Free Spins · No Wagering

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Rob R.292 posts · Joined Sep 2024 · 19 Apr 2025

Good question, been wondering this myself. From my experience with Mr Spin: Mobile-first low stake operator since 2008 with fast payouts. The main negative is Limited game library mobile only focus. Overall a decent option for UK players in 2026. Happy to help if you need anything else.

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Ryan M.1,154 posts · Joined Jan 2023 · 20 Apr 2025

On the slots side: Holmes and the Stolen Stones from Yggdrasil is a medium variance game with 96.3% RTP. a good balance of win frequency and size. RTP is the return to player percentage over millions of spins. In any individual session it means almost nothing. Happy to help if you need anything else.

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Phil W.2,016 posts · Joined Apr 2024 · 23 Apr 2025

Sticky bonuses where you cannot withdraw the bonus amount itself are generally worse than cash bonuses even with a lower headline figure. The EV calculation here is roughly +£20 on a standard £100 bonus. That accounts for the 20x wagering at a 4% house edge on slots. Happy to help if you need anything else.

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Chris G.2,878 posts · Joined Aug 2025 · 26 Apr 2025

Good question, been wondering this myself. Just to add a UKGC point — since January 2026 the maximum wagering for UK licensed casinos is 10x. Mr Spin is at 20x which is fair wagering. If a casino is asking for documents before you can withdraw that is standard KYC not a scam. Upload them early to avoid delays. Happy to help if you need anything else.

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Dan C.3,740 posts · Joined Nov 2023 · 28 Apr 2025

Good question, been wondering this myself. The bit that catches most people out is with Mr Spin — Mobile-first low stake operator since 2008 with fast payouts. One downside worth knowing: Limited game library mobile only focus. Happy to help if you need anything else.

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