Jack Hammer 3 Slot Review

Our score 4.0 4.0 /5
User rating
RTP: 96.08%
Volatility: High
Paylines: +25

Get ready to once again hit the mean streets of New York in the third edition of NetEnt’s Jack Hammer slot series.

Theme Comic book
No. of Reels 5
Game type Video Slot
Release Date 05.03.2024
Bonus Rounds No
Software provider NetEnt
Scatter Yes
Free spins Yes
Updated March 27, 2024

Game screenshots

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Players will spin the reels of Jack Hammer: Diamond Edition to help the detective track down the missing jewels, potentially finding big cash prizes along the way.

The cartoon comic book style graphics are back with various characters from the story appearing as symbols on the reels against a New York backdrop. An array of bonus features can be found in this slot game including a wild symbol, sticky wins, a Jack Hammer feature, mysterious multipliers and a a free spins round with up to 20 free spins awarded.

How to Play

Players can set a bet per spin of between 20p and £100. Once your bet is set hit the SPIN button to get the reels moving.

This slot game creates winning combinations using the scatter pays system. This means that players must land eight or more matching symbols to get a winning combo but these symbols can appear anywhere on the reels.

The symbols on the reels of this game are:

  • Court
  • Dog food bowl
  • Gun
  • Lipstick
  • Jewels
  • Police officer
  • Watchdog
  • Criminals
  • Blonde woman
  • Brunette woman
  • Wild
  • Scatter


In the base game, there is the chance to win up to 100x your bet if you fill the entire grid with any of the high value symbols. With the special features in play, there is a chance to win up to 1,332x your bet.

Special Features

There are five special features in the Jack Hammer 3 slot game:

  • a wild symbol
  • a sticky win feature
  • a Jack Hammer feature
  • mysterious multipliers
  • a free spins round

The wild symbol will substitute for other symbols on the reels and help to form additional winning combinations. This can potentially lead to more wins being awarded.

Whenever players get a scatter pays win or land three free spin symbols, the sticky win feature is triggered. Respins are awarded and any winning combinations plus free spin symbols will become sticky on the reels. If a new symbol is added to the winning combo or a Jack Hammer symbol lands, then more respins are awarded. When all positions on the grid are filled with winning symbols or no new winning combinations are formed, the round will end.

As previously mentioned, during the respins a Jack Hammer symbol can appear. When this happens it will trigger the Jack Hammer feature. All low value symbols on the reels will turn into high value symbols that are in winning combinations. The Jack Hammer symbol will also increase the win multiplier and each of these symbols will be added to the progress bar which is important for the mysterious multiplier feature.

When a win occurs, any high value symbols are added to the mysterious multiplier progress bar. When eight symbols have been collected, this can trigger multipliers of 2x, 3x and 4x while collecting 20 symbols or more can lead to a multiplier of at least 5x.

The last feature in Jack Hammer 3 is the free spins bonus round which is triggered by landing five or more scatter symbols. This can award between 10 and 20 free spins. Landing more scatter symbols during this round will get you additional free spins.

Graphics and Sounds

The classic Jack Hammer detective theme from the previous slot games continues with this third instalment. The graphics will instantly transport players into a cartoon comic book and behind the reels are the skyscrapers of New York City lit up at night. On the reels, all of the symbols correlate to the theme. This includes guns, lipsticks, jewels, court pictures and various characters from this detective comic book story. As you spin the reels, an awesome jazzy soundtrack plays in the background which you can imagine is the type of music played late at night in many of New York’s famous bars.


Jack Hammer 3: Diamond Affair is a fantastic addition to the previous two Jack Hammer slot games. The fun comic book detective graphics are back but this time the game uses the scatter pays mechanic to award payouts which makes it very different to the first and second slot games. Alongside the fun graphics, players are sure to enjoy the sticky wins, mysterious multipliers and lots of free spins up for grabs. While the max win is quite low, this is an iconic slot game that is not to be missed.

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Jennifer Mcfadyen


JENNIFER MCFADYEN Jennifer is a writer with over five years of experience in the online casino industry. She has a First Class Honours in Media and Journalism and specialises in writing online casino reviews, slot reviews and gambling news content. Public relations are also other areas of interest for Jennifer and she has worked across these industries before setting up her own content company.

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