Sherlock & Moriarty Wowpot!

Sherlock & Moriarty Wowpot! is a progressive jackpot slot from Just For The Win, released as part of Microgaming's Wowpot! network back in March 2021. Rather than chasing a fixed maximum multiplier, the whole design is built around a four-tier jackpot ladder that climbs continuously until someone lands it.

Theme and gameplay feel

The setting is a cobblestoned, atmospheric take on old London, with a semi-transparent five-reel, 20-payline grid positioned in the middle of a street lined with quaint shops, gas lamps, and Big Ben looming in the distance. A moody, mysterious soundtrack ties the whole scene together, and above the reels sits a jackpot bar tracking four progressive tiers — Mini, Minor, Major, and the headline Wowpot! itself — each continually ticking upward until it's won.

The base game brings its own features to the table alongside the jackpot chase, including mystery symbols, mystery respins, and a dedicated free spins round. Betting also plays a strategic role here: the chances of triggering the jackpot wheel scale with stake size, so larger bets improve the odds of reaching that bonus, though it remains possible to trigger from the smallest stake too. A hit frequency of 27% keeps the base game reasonably active between jackpot attempts, with regular features and mystery elements ensuring there's usually something happening on the reels.

What the RTP means for you

The RTP here sits at 92.1%, which is below the typical average for online slots. It's worth being upfront about that: a chunk of the game's overall value proposition is tied up in the progressive jackpot pool rather than the base RTP figure alone, and players should weigh that trade-off honestly rather than expecting base-game returns comparable to a standard non-jackpot slot.

Volatility and betting range

Rated medium volatility, Sherlock & Moriarty Wowpot! avoids the most extreme swings you'd find in a high-volatility release, keeping the non-jackpot side of the game reasonably approachable. Stakes run from 0.10 up to 100 per spin, with larger bets improving jackpot-wheel odds as noted above.

Jackpot and prize potential

Rather than a fixed max win multiplier, the appeal here is the Wowpot! tier itself, capable of paying out dream-changing eight-figure sums on top of the smaller but still meaningful Mini, Minor, and Major jackpots feeding into the same network.

Verdict

Sherlock & Moriarty Wowpot! trades a below-average base RTP for a shot at a genuinely enormous progressive jackpot, wrapped in an atmospheric Victorian London setting. It's best approached with that trade-off in mind rather than as a standard high-RTP slot. Worth sampling the free demo at johnessyslots to see the jackpot bar and mystery features before deciding whether the real-money jackpot chase appeals.