221B Baker Street
221B Baker Street Slot Review

Even if you have never been to London, most likely you know who has been living in building 221B by the famous Baker street. It would be no exaggeration to say that it is one of the most famous private addresses not only by this street, but also in the whole London or even in the Great Britain. People all over the world know that the famous private detective Sherlock Holmes, which became the most popular sleuth in the world due to the literature talent of sir Arthur Conan Doyle, was living in this house.

It is interesting that in fact there is no building with number 221B at Baker Street. It exists only in novels about adventures of Holmes and his assistant dr. Watson. However, it also exists in the new video slot named 221B Baker Street, intended for playing in online casinos. The following article about this interesting model produced by Merkur company was prepared by the reviewers of casinoz.me just for you. 

7.20 /10
Max bet
Max payout
Number of reels
Number of lines

How to Play 221B Baker Street slot

221B Baker Street is a free online slot machine with five reels, twenty pay lines and three rows of symbols at the screen. It is also provided with the standard symbols and the special elements, as well as prize spins, the gambling feature, extra multipliers, a thematic prize round and other interesting gaming functions.

It is possible to play by any quantity of active lines from the available number. An amount of the bet per each of the lines can vary in range from one cent to two dollars. This way, the maximal acceptable bet per spin is forty dollars.

The winning combinations are formed by the most wide-spread principals. Several similar symbols have to drop out next to each other at the active line starting from the first left reel. Every chain contains only one winning combination. It is the most valuable in such case.

To calculate an amount of the payoff, the bet staked per line is multiplied by the combination index, provided by the table. Payoff indexes can vary in range from x5 to x10000. In case of several combinations formed at different lines in result of the spin, all the winnings are summarized. Then the customer decides what to do with received cash: wether to transfer it to the account or try to increase it.

This video slot is also provided with the gambling feature, where it is possible to stake the received payoff (whole and a half). It is realized in two modes. In the first one you would have to say the color of the face-down card randomly. Correct answer doubles up the amount, while the wrong one leads to the loss. In the second mode you would see stairs with doubling payoffs. You would have to make steps by it while the random number generator would say if you win or lose (such version was popular in slot machines of the end of twentieth century). Please check details in the informational section.

Exceptions from the general rules are described in the following paragraph.

The theoretical cash back index of 221B Baker Street slot machine is 96%.

221B Baker Street Symbols, Wild, Scatter

The gaming symbols, which you can see at the reels of 221B Baker Street video slot, are images of the main characters of novels about the Sherlock Homes, as well as a revolver, a bottle with red liquid, a loop and signs of the values of playing cards from jack to ace.

There are also several special symbols in this game, such as Wild (Sherlock Holmes), Scatter (Moriarty) Big Ben Feature (a view of night London) and Duel Feature (Moriarty and Holmes). We would like to talk more about its functions:

  • Wild forms combinations which are paid out by the highest indexes. Moreover, it can replace other symbols (except of bonuses and scatters) when it drops out in a proper position.
  • Scatter makes difference to other symbols because it doesn't depend of its location at the screen. When two and more such elements drop out somewhere at the reels in the same time, the player receives a payoff in range from one to come hundred total bets.
  • Big Ben Feature triggers prize spins. Three, four or five such symbols dropped out anywhere at the screen give a right for participation in free spins (six, fourteen or twenty depending on quantity of symbols). The bet remains the same, but it is staked by the casino instead of the player. The quantity of active lines is always twenty. Herewith, extra multipliers, such as x3, x4 and x5 are in force. Please read more about free spins in the informational section.
  • Duel Feature is the bonus symbol of this game. Three such icons trigger the prize game named «Duel».

221B Baker Street Bonus games

In the bonus round of 221B Baker Street video slot named «Duel» you would be a witness of a battle of the main heroes of the game. Then you would be charged with payoffs by results of the fight. You can take decision whether to collect the winning or start a new duel several times.


A progressive jackpot is not raffled in 221B Baker Street slot machine.

221B Baker Street Interface

Well, here we would shortly explain the functions of the main elements of the control panel of 221B Baker Street video slot, which is available only in English language:

  • Spin - start a new gaming round.
  • Max Bet - play by the maximal bet.
  • Lines - select a quantity of active lines.
  • Deposit - an amount at the main account.
  • Bets - an amount of the bet per round.
  • Wins - an amount of the winning for a spin.
  • Paytable - look through the index table.
  • Back - quit the rules.
  • Auto Start - an automatic game mode.
  • Gamble (two kinds) - start the gambling feature.
  • Collect - collect the winning.
  • ? - open the informational section in the special window.

There is the scale which helps to select the value of coins under Lines button.

There are settings buttons in the right top corner (quick spin, size of the screen, background music).

The payment table consists of two pages where you can find payoff indexes, as well as short description of the functions of the special symbols. More important information can be found in the informational section.

It is not necessary to download 221B Baker Street slot machine, because it can be launched in a  flash mode right at the website of an online casino.


Definitely, 221B Baker Street is a high quality game. The developers have managed to create a model with a pretty graphics, the stylish interface, the interesting gaming functions, the user-friendly control panel, high payoff multipliers and acceptable level of the theoretical cash back index. We hope it would be interesting not only for the lovers of novels about the Sherlock Holmes, but for all the fanciers of cool gambling entertainments.

Play 221B Baker Street in Casino for Real Money

It is possible to test 221B Baker Street slot machine without registration or make the real bets with money after you open an account in Mr. Green Casino, where the reviewers of casinoz.me were testing it.

Your opinion about this video slot is very important for us. Please write your responses about 221B Baker Street model in comments to the review and rate this game with stars.

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Main info
Type of game Video slots
Manufacturer Merkur
Max bet 40
RTP 96%
Max multiplication 10000 : 1
Progressive jackpot No
Reels number 5
Lines number 20
Wilds Yes
Scatter Yes
Gamble Feature Yes
Bet line 0.01 - 2
Bonus games Yes