NetEnt

Jack Hammer

Slots Video Slots Wild West Action & Adventure Mafia Detective Comics Patriotic Superhero

NetEnt's original pulp-detective entry in the Jack Hammer line

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

96.96%

return to player

Volatility

Low volatility

variance

Max win

—

top multiplier

Min bet

$0.25

per spin

Reels

25 lines

Player rating

3.9 ★

6 votes

DEMO Play free, no signup

NetEnt

Embed on your site

3.9 / 5

6 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP9/10

RTP 96.96% → 9.0/10

Volatility6/10

low → 6.0/10

Win Potential—

no data

Features9/10

11 features → 9.0/10

Game Mechanics6.4/10

f=11 r=5 p=25 → 6.4/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.25–250 (×1000) → 6.0/10

Provider Reputation7.2/10

provider avg 7.2 → 7.2/10

Popularity7.9/10

search demand p98 + proxy blend (70/30) → 7.9/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 78 — Jack Hammer by NetEnt

https://slotranker.com/netent/jack-hammer#score

How to cite

Slot Summary

Before NetEnt returned to its comic-book detective in later sequels, Jack Hammer established the series through a single persistent idea: winning symbols remain locked while the other positions respin. Its 96.96% RTP and low-volatility profile place that mechanic in a steadier format, where repeated extensions matter more than waiting for one isolated feature event.

How It Plays

Each result is evaluated across 25 paylines, but a completed win does not always end the sequence. Its symbols remain fixed while every unheld position receives another chance to connect.

The independent positions make each extension easy to follow. A new match joins the held arrangement, prompts another respin, and continues until no additional winning combination appears.

Theme & Atmosphere

The Comics treatment frames Jack Hammer as a pulp Detective story rather than a conventional crime slot. Named characters and illustrated panels give each outcome a narrative context.

Jack Hammer and Dr Wuten supply the conflict, while the page-panel presentation keeps the Detective theme readable without turning the reels into a literal story sequence.

Wild West Action & Adventure Mafia Detective Comics Patriotic Superhero

Features & Win Potential

Respin Locking Win activates after a qualifying line result. The winning symbols stay fixed, the remaining positions respin, and newly contributing symbols can join the locked group.

The Wild Symbol substitutes within ordinary combinations, while the Scatter Symbol participates in the path to Free Spins. Both support the locking sequence instead of replacing it.

Free Spins Scatter Symbol Wild Symbol Respins 5 Reels Bonus Game Low volatility RTP range 96% RTP 25 Paylines Respin Locking Win

Bonus & Free Spins

Five Scatter Symbols award 10 Free Spins, with larger Scatter totals increasing the allocation. Respin Locking Win remains active, and a 3x multiplier applies to line wins during the round.

Spec sheet

Jack Hammer at a glance.

Identity

Slot nameJack Hammer

StudioNetEnt

Released7/23/2011

Math

SlotRanker Score78

RTP96.96%

VolatilityLow volatility

Max win—

Bet range$0.25 – $250.00

Player rating3.9 / 5 · 6 votes

Format

Reels5

Paylines25

Layout5x3

Features

Themes

This game is searched most in United States, Indonesia, and Philippines.

Expected average based on this slot's 96.96% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.04

Cost per session$3.04

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Jack Hammer? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Low

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Low). The model is calibrated so the average return equals this slot's published RTP (96.96%), with wins capped at its top multiplier (1,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Jack Hammer

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Compare Jack Hammer with other games

	Jack Hammer Score 78This game	Unusual Suspects Cartel Cash Score 82	Gangsters Score 69	Dead Rider's Trail Score 88	Boss Level Score 82
Identity
Studio	NetEnt	Northern Lights Gaming	Habanero	Relax Gaming	iSoftbet
Released	7/23/2011	10/14/2024	8/26/2016	8/24/2022	7/28/2024
Math
RTP	96.96%	96.09%	96%	96.2%	96.01%
Volatility	Low volatility	Medium volatility	Medium volatility	High volatility	Medium volatility
Max win	—	12,000×	—	50,000×	20,000×
Format
Reels	5	5	5	6	5
Layout	5x3	5x3	5x3	6x6	5x3
Paylines	25	10	25	46656	1024
Min bet	0.25	0.2	0.25	0.2	0.2
Max bet	250	20	500	20	20
Features
Progressive	—	—	✓	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	—	✓	✓	✓
Scatter symbol	✓	—	✓	✓	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	✓	✓	—	✓	✓
Respins	✓	✓	—	—	—

Every number is shown as a delta against Jack Hammer.

Comparing against

Jack Hammer

NetEnt

RTP

96.96%

Max win

—

Score

Unusual Suspects Cartel Cash

Northern Lights Gaming

+ Multiplier− Free Spins− Scatter

+ Progressive+ Multiplier− Bonus Game− Respins

+ Multiplier− Respins

+ Multiplier− Respins

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