221B Baker Street Slot Review

Our score 4.5 4.5 /5
User rating
RTP: 96%
Paylines: +20

221B Baker Street slot by Merkur Gaming is a stylish re-imagining of Sir Arthur Conan Doyle’s legendary detective and his battles with his nemesis Professor Moriarty. The game captures the atmosphere of Victorian London exceptionally well, with suitably dramatic music and sound effects throughout.

Theme Action
No. of Reels 5
Game type Video Slot
Bonus Rounds Yes
Software provider Merkur Gaming
Scatter Yes
Free spins Yes

Game Screenshots

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Our recommendation

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With a wild symbol, two scatters, a free spin round and a bonus game, 221B Baker Street has imaginative and constantly changing gameplay, and overall this ranks amongst Merkur Gaming’s best slots. The game also has a range of coin sizes and a variety of wager sizes, which makes it widely accessible.

If you’re a fan of Sherlock Holmes, or you simply enjoy classy looking slots with a variety of gameplay features, then we recommend you check out 221 Baker Street at our featured UK online casinos.

How to play

221 Baker Street is a 5 reel 3 row video slot where you can play with 1, 5, 10, 15 or 20 paylines in play on each spin. Coins range in size from £0.01 to £2, so the minimum bet is £0.01 and the maximum wager is £40 per spin. All wins pay left to right, except for scatter symbols which pay anywhere on the reels.

  • Sherlock Holmes symbol is wild and substitutes for all other symbols, except the Moriarty and Duel scatter symbols
  • Moriarty and Duel symbols are scatters
  • Duel scatter symbol only appears on reels 2, 3 and 4
  • Hitting 3x Duel scatter symbols triggers the Duel Bonus
  • Hitting 3x, 4x or 5x Big Ben symbols triggers the Free Spins Bonus round
  • 5x Sherlock Holmes symbols = 5,000x total bet (up to £20,000)
  • 5x Moriarty scatter symbols = 100x total bet (up to £4,000)
  • 5x Pistol symbols = 30x total bet (up to £1,200)
  • 5x Poison symbols = 25x total bet (up to £1,000)
  • 5x Magnifying Glass symbols = 20x total bet (up to £800)

Jackpot

The maximum jackpot win on 221B Baker Street is 5,000x total bet (up to £20,000 when betting the max) for hitting 5x Sherlock Holmes symbols on any payline. This could be multiplied by up to 5x during the free spins bonus round.

221B Baker Street is a low to medium volatility slot with a 96% RTP.

Special features

Duel Bonus

The Duel Bonus is triggered by hitting 3x Duel scatter symbols on reels 2, 3 and 4, and between 3 and 5 duels are randomly awarded. During the duel, Moriarty shoots at hidden prizes in a cabinet to remove them, while Sherlock’s shots award them. Once your prize is revealed, you can choose either to accept it or reject it. This continues until the end of your final duel, you accept a prize offer, or the maximum prize is awarded.

Free Spins Bonus

Hitting 3x, 4x or 5x Big Ben symbols triggers the Free Spins Bonus round. Once triggered, you choose a Big Ben symbol and this reveals the number of free spins and the multiplier (between 1x and 5x) you are awarded. The number of free spins you can win depends on how many Big Ben symbols activate the bonus:

  • 3x Big Ben symbols = 2 to 6 free spins
  • 4x Big Ben symbols = 6 to 14 free spins
  • 5x Big Ben symbols = 10 to 20 free spins

Additional free spins can be triggered during the bonus round, which is always played with all 20 paylines in play.

Graphics and Sounds

This is an impressive looking and sounding game, and successfully evokes a world of mystery and murder. Set in Victorian London, the reels and surrounds are suitably gloomy and fog bound, with the character symbols, in particular, being well drawn. There are also some impressive animations, especially when the Big Ben symbol comes to life. The soundtrack is very eerie and adds to the atmosphere of suspense and tension, while the sound effects include gunshots, broken glass and the chimes of Big Ben.

Overall, the entire package works well and recreates Holmes’ London extremely vividly.

Conclusion

We rate this game highly, both for its gameplay and its stylish design. With wilds, scatters, free spins and a bonus game, there is always plenty going on (although the separate bonus game can perhaps be a little time consuming). The addition of multipliers during the free spins bonus round adds to the potential payouts and this, plus the opportunity for additional wins in the bonus round, can make this a quite lucrative low to medium volatility game.

Although there are plenty of slots games with a Sherlock Holmes theme, this is one of the most successful when it comes to style and atmosphere, and so 221B Baker Street is a game that we enthusiastically recommend that you check out at our featured UK online slot sites.

Updated May 8, 2022

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