221b-Baker Street

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221b-Baker Street
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Game info


  • Bonus roundsNo
  • Wild symbolYes
  • ProgressiveNo
  • Scatter symbolYes
  • Autoplay optionYes
  • MultiplierNo
  • Free spinsYes

221b Baker Street slot machine game is inspired by the famous fictional detective Sherlock Holmes and his assistant doctor Watson, characters created by Sir Arthur Conan Doyle. This game, developed by Merkur Gaming, consists of 5 reels and 20 paylines and it takes the players into the 19th century London to meet the famous crime-solving duo. This slot is similar to Gold Cup.

Elementary, My Dear Watson

Free online 221b Baker Street slot machine gives you the opportunity to bet on 20 lines. This feature can be changed, and it is possible to place your wagers on 1, 5, 10 or 15 lines, although it is recommended to bet on all 20 in order to maximize your winning odds. The betting value ranges from 0,01 to 2 coins making the 221b a low volatility machine with the maximum bet of 40 coins.

  • Gamble Feature – allows the bettors to further increase their wins by guessing the right color of the faced down card or using the ladder system, where you have lower and higher value that you can win.
  • Auto Start – this button will enable auto play with up to 100 rounds.


If you decide to play 221b Baker Street free slot keep in mind that it doesn’t have a progressive jackpot. The player can win high rewards during bonus rounds, especially on the Free Spins during which all your wins will be multiplied several times. Regular jackpot is 20000 coins and it can be won if you land 5 Sherlock cards on an active payline

Sherlock & Moriarty

There are 11 symbols in 221b Baker Street slot game. Here is the list of the most important ones:

  1. Sherlock is the Wild symbol, this card can substitute every other except the scatter ones. It is also the most payable symbol paying up to 20000 coins on the max bet;
  2. There are 2 Scatter cards: first one is Moriarty, paying up to 4000 credits, and another one is the Dual card with both Moriarty and Sherlock on it. This symbol activates unique bonus feature;
  3. Big Ben symbol is a special card that will trigger Free Spins;
  4. The Pistol is the 3rd most payable icon paying 1200 credits on max bet;
  5. All of the symbols and their value can be seen in Paytable.

Free Spins and Duels

There are 2 bonus features in 221b that can award the bettors with high prizes:

  1. Free Spins are triggered if you land at least 3 Big Ben icons on an active payline. This sequence will reward you with 2 to 6 free spins. Landing 4 Big Bens will get you 6 to 14 rounds and 5 Big Bens will reward the player with 10 to 20 additional rounds. During this bonus your wins are multiplied up to x5
  2. The Duel bonus is activated if you land 3 Duel cards on 2nd, 3rd, 4th, and 5th reel. The player will be rewarded with 3 to 5 duel rounds. A new window is opened with Sherlock and his nemesis professor Moriarty standing in the room. They will shoot at objects that are on the shelf, and each object carries a specific reward for the player. The reward that Moriarty shoots at is discarded, but the one that Sherlock shoots is available for the player to take it. The bettor can decide either to accept the reward or start another round of the free 221b-Baker-Street slot machine.

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