Jack Hammer Slot Review
Free demo, RTP, volatility and max win
7.4Value score · Good · how it works
Jack Hammer review: NetEnt's 2010 comic-strip detective slot with Sticky Win respins, a 96.96% RTP, low volatility and a 700x max payout.
- #191by RTP of 3,708 slots
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Basic information
| Software | NetEnt |
|---|---|
| Release year | 2010 |
| RTP | 96.96% |
| Volatility | Low |
| Max win | x700 |
| Hit frequency | 25% of spins |
| Features | Free spins |
| Game type | Slot |
| Data verified | 2026-09-28 |
Source: NetEnt game page; RTP database by toolsgambling.com (CC BY 4.0); image: NetEnt promotional image from the official game page. How we collect data · Report a mistake
Jack Hammer review
Comic-strip panels and a film noir soundtrack set the mood in this NetEnt crime story, released on 11 October 2010 according to the studio. It opened a four-game series. The idea at its core is Sticky Win: a winning combination locks in place and the reels spin again around it. With low volatility, a 25% hit frequency and a 96.96% RTP, it is built for steady play rather than wild swings.
The case file: grid, lines and bets
The layout is a classic five reels by three rows with 25 paylines. NetEnt lists 25 as both the minimum and maximum, so every spin covers all lines. The studio page gives a betting range of 0.25 to 250 per spin.
Wilds stand in for every symbol except the Free Spins symbol. Beyond that, the game rests on two mechanics: the Sticky Win respins in every spin, and a free spins round that multiplies line wins.
Mechanics on the reels
The two features work together. Sticky Win can turn one modest hit into a short chain, and the free spins add a fixed multiplier on top of whatever lands.
Sticky Win
When a win lands, its symbols lock into place and the other reels spin again. Any new winning symbols or combinations that appear also lock, and another respin follows. The chain continues until a respin adds nothing new. Only then are all the locked wins paid out together.
Free Spins
Five or more Free Spins symbols start the round. The spins play at the bet of the triggering spin, and a sign counts down how many remain. Every bet line win during the round is tripled. Landing five or more Free Spins symbols again adds extra spins.
Low volatility in numbers
NetEnt rates the game as Low volatility and publishes a hit frequency of 25%, which means about one spin in four returns something. The max payout is 700x the bet. That is a modest ceiling, and it fits the profile: smaller, more regular wins rather than rare large ones. At a $0.20 bet the top payout is $140, at $1 it is $700 and at $5 it is $3,500.
The RTP is 96.96%, the only version listed, so the house edge is 3.04%. Over a long run that is about $30.40 per $1,000 wagered.
A session of 100 spins at $1 puts $100 through the game and costs $3.04 on average. At $0.20 the same 100 spins cost $0.61, and at $5 they cost $15.20. Low volatility tends to keep real results closer to those averages than in a high-volatility game, though no session is predictable.
The rest of the series
Three sequels follow the original, and they move steadily towards higher risk. Jack Hammer 2: Fishy Business keeps Low volatility with a 97.07% RTP and an 800x ceiling. Jack Hammer 3: Diamond Affair switches to High volatility at 96.08% with 1,300x. Jack Hammer 4: Chasing the Dragon goes to Very high at 96.03% with a 10,000x maximum.
Outside the franchise, King of Slots and Long Pao share the 96.96% RTP, Low rating and 700x cap, and Dazzle Me lists 96.91% with the same 700x ceiling.
Good match for
Players on a modest budget who prefer a steady rhythm will find this a reasonable fit: the 96.96% RTP keeps the cost low, wins arrive often and the respins add a little suspense to ordinary hits. Anyone looking for a large top prize should look further down the series, because 700x caps what a single round can return.
Pros
- 25% hit frequency and Low volatility suit long, steady sessions
- Sticky Win respins can stack several wins from a single spin
- Free spins triple every line win
Cons
- The max payout stops at 700x the bet
- All 25 lines are fixed, so the bet cannot be reduced by playing fewer lines
- Only two features, so the play can feel repetitive
Verdict
Jack Hammer is a low-volatility slot with a 96.96% RTP, a 25% hit frequency and a 700x cap. Sticky Win respins and tripled free spin wins give it a clear identity without heavy swings. It suits careful budgets better than prize hunters, who will find bigger ceilings in the later sequels. As with any slot, the 3.04% house edge means it is entertainment you pay for.
Sources: NetEnt official game page; RTP, volatility and max win from the open Slot RTP Database.
Jack Hammer series
3 other games of the same franchise by NetEnt, oldest first. Compare all 4 Jack Hammer slots
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Jack Hammer RTP
The data lists one RTP for Jack Hammer. Versions are not tracked for NetEnt games, so other versions may exist; check the game's info screen.
- 96.96% $30.40 lost per $1,000
Cost of 100 spins
| Bet | Wagered | Average cost at 96.96% |
|---|---|---|
| $0.20 | $20 | $0.61 |
| $1 | $100 | $3.04 |
| $5 | $500 | $15.20 |
Averages computed from the published RTP; real sessions vary widely around them. RTP calculator
Jack Hammer max win, volatility & stats
- Value score
- 7.4 / 10
- Lost per $1,000 (average)
- $30.40
- Max win at $1 bet
- $700
- Wins on average
- 1 in 4 spins
Percentiles compare this game with the 3,708 games in the catalogue. Max win: 700×.
