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Jack Hammer Demo Mode

96%
Return to player
RTP means Return to Player and describes the theoretical payout ratio of casino games. The higher the RTP, the higher percentage of your bets you can expect to get back in the form of winnings. The RTP in real-money casinos can differ.
700x
Max win
Medium volatility
Volatility
Volatility, in online gambling, is a term used to assess the risk of losing a bet. In other words, it suggests how rare or often players can expect to win or how big or small they can expect the prizes to be.
0,25
Min bet
The lowest amount a player can wager on a specific game. It is also a bonus requirement where you can bet above a certain amount to claim your bonus.

Game information

Provider
NetEnt
Theme
Crime
Game mechanics
Scatter Pays
Free spins
Bonus game
Respins
Release date
July 2011

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Design and Theme

🖼️ Graphics

Jack Hammer is styled as an old detective comic. The reels look like illustrated pages: individual frames showing heroes, villains and objects. In the background is a dark city and a bridge, creating the feeling of a noir story about an investigation. The colour palette is deliberately simple: bright accents on a muted backdrop, with thick outlines as if the frames were drawn for a newspaper strip.

🎶 Sound

The soundscape in Jack Hammer leans heavily into the atmosphere of a tense city. The background hum resembles an alarm or street noise, with the occasional dog bark woven in. All of this sits on top of a muted “urban ambience”, giving the impression that the action unfolds in a dark alleyway. The music is reminiscent of old films: tense chords and short dramatic phrases.

Mechanics

🥁 Grid Size

5x3

📊 Paylines

25

➕ Bonus Game

✅

🤑 Jackpot

❌

💸 Extra Bet / Ante Bet

❌

🪂 Fixed Multipliers

✅

♻️ Respins

✅

❎ Gamble

❌

Winning Combinations

Top Symbols:

Symbol

3

4

5

Detective Jack

x2

x6

x40

Evil Scientist

x2

x4

x12

Girl

x1

x2

x10

Newsboy

x0.6

x2

x8

Base Symbols:

Symbol

3

4

5

Airship

x0.6

x1.2

x5

Car

x0.4

x1

x4

Newspaper

x0.2

x0.6

x3

Telephone

x0.2

x0.4

x2

Flask

x0.2

x0.4

x1.6

Special Symbols

The easiest way to understand how to play Jack Hammer is through its special symbols — they define the whole mechanic.

  • Wild: substitutes for all symbols except the scatter.
  • Scatter (bomb): triggers the free spins bonus round.

Bonus Game

The main feature of Jack Hammer is Sticky Wins. It activates on any winning line or when 3 or more scatters land. The winning symbols lock in place and the reels respin. The sequence continues as long as new matching symbols are added. Once no new symbols appear, the total win is awarded.

Scatters also trigger the free spins round:

  • 5 scatters — 10 free spins
  • 6 scatters — 15 free spins
  • 7 scatters — 20 free spins
  • 8 scatters — 25 free spins
  • 9–15 scatters — 30 free spins

During the bonus, all wins are multiplied by x3, and Sticky Wins remain active.

RTP, Volatility, Max Win

Jack Hammer has an RTP of 96.96% and medium volatility. The maximum win is capped at x700.

Our Verdict

Sticky Wins in Jack Hammer trigger often on winning lines, and chains can stretch for quite a while. The balance dips, but not severely. Free spins never appeared during testing. Overall, the slot feels simple and lively, without unnecessary complexity.

If you want something more intricate, there’s Tony Gambler, with free spins, “three-life” respins and an unusual portal mechanic. Or Rip City, featuring two different bonus modes.

Victoria Hermanovich
Victoria Hermanovich
Top slots expert
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