Jack Hammer 4: Chasing the Dragon
- 🎰Provider
- NetEnt
- 📅Release date
- 2025
- 🎨Theme
- Детектив, Чайнатаун
- 📊RTP
- 96.03%
- ⚡Volatility
- High
- 💰Max win
- x10 000
- 📐Grid
- 6×6
- 🛒Bonus buy
- Yes
- 🪙Min bet
- 0,20 €
- 💸Max bet
- 400,00 €
- 🎮Demo
- Yes — free
- ⚙️Mechanics
- Cluster Pays Sticky Wild Wild Scatter Free Spins Multiplier Respin Buy Bonus Both Ways Win
Jack Hammer 4: Chasing the Dragon slot review
Detective Jack Hammer is back on the case — this time the chase leads him through the shadowy alleys of Chinatown, tracking an elusive Dragon that keeps slipping out of reach. The fourth chapter of NetEnt's cult series builds on the signature Sticky Win mechanic, but layers in an entire system of corner Wild activators plus four special features during free spins that trigger together in a strict order. NetEnt has clearly leaned into complexity for this one.
The facts: a 6×6 grid, RTP of 96.03%, high volatility, a hit frequency of 24%, and a ceiling of 10,000x the bet. The game runs on sticky cluster wins that extend re-spins, plus corner positions that transform into Wild activators for several different feature types.
What actually makes the game tick?
Sticky Win triggers a Re-Spin as soon as a cluster of 6 or more symbols forms, or when at least 3 scatters land. During Re-Spins, winning clusters and scatters stay locked in place, and re-spins keep going as long as new symbols join the cluster or additional scatters appear. The feature ends once no more growth happens.
The four corner positions can only hold Question symbols or Wilds. If a corner Question symbol becomes part of a winning cluster, it turns into a Wild and triggers one of the special features — the specific type is determined randomly. If all four corners trigger at once, they activate in a strict order: Expander/Super Expander, Upgrader/Super Upgrader, Multiplier, and Cash Prize/Super Cash Prize.
Where's the big win hiding?
5 scatters trigger 3 Free Spins, with 3 multiplier symbols already placed on the reels. During the bonus, only multipliers can land, and each new multiplier resets the spin counter back to 3.
💡 Four corner features during Free Spins
Four distinct features — Unlock, Generate, Double, and Collect — appear in the corners. They stay on the reels until Free Spins end and activate whenever a multiplier lands next to them:
- Unlock — expands the play area, first adding the top row, then the bottom row, up to twice
- Generate — places 3 random multipliers on the reels, can trigger up to 3 times before Collect
- Double — doubles the values of adjacent multipliers, can also trigger up to 3 times before Collect
- Collect — sums all multipliers on the reels, removes them, and applies the total to the win
If all four features trigger at once, they activate in this order: Generate, Unlock, Double, Collect.
For those who don't want to wait, four Elevate Feature tiers are available: Free Spins Hunt (2x the bet, doubles the chance of triggering Free Spins), Wild Activator (10x, guarantees at least one corner feature activation and boosts Free Spins chances), Free Spins (100x, instantly triggers Free Spins with 5 guaranteed scatters), and Lucky Draw (150x, activates either regular Free Spins or Super Free Spins — before Super Free Spins, 3 or 4 corner Wild features randomly trigger, followed by a spin with 5 guaranteed scatters).
"High" volatility — how does it actually play?
A 24% hit frequency is typical for a high-volatility slot — a win lands roughly every 4.2 spins. But the real potential unlocks through the corner-feature chain: the more times Generate and Double fire in a row, the bigger the sum the final Collect gathers up.
⚠️ 150x for Lucky Draw — the priciest purchase, but not a guaranteed Super Free Spins
Lucky Draw activates either regular or enhanced Super Free Spins — which mode you get is determined randomly. Keep that in mind when budgeting: you're paying for a chance at the better outcome, not a guaranteed top-tier bonus.
What players like
- Four corner features (Expander, Upgrader, Multiplier, Cash Prize) with a strict trigger order create a predictable yet feature-dense chain of effects.
- Sticky Win extends Re-Spins with every new symbol added to the cluster — a genuinely generous mechanic.
- Four Elevate tiers let you pick exactly the outcome you want.
- The detective-noir Chinatown atmosphere sets this slot apart from typical themes.
What to keep in mind
- ⚠️ Restricted Access is flagged — availability may depend on jurisdiction and casino license.
- Lucky Draw at 150x doesn't guarantee Super Free Spins specifically — the resulting mode is random.
- The layered mechanics (corner features in the base game and free spins, Sticky Win, Elevate) take time to learn before playing.
Who does the detective crack the case for?
| Player profile | Verdict | Why |
|---|---|---|
| Fan of the Jack Hammer series looking for more depth | 🟢 Yes | the familiar Sticky Win mechanic now comes with a corner-feature system and a strict trigger order. |
| Player willing to buy the exact outcome they want | 🟢 Likely | four Elevate tiers let you pick precisely the result you're after. |
| Newcomer looking for something simple | 🟠 Unlikely | four corner features with different trigger orders in the base game and free spins are a lot of rules for a first spin. |
| Player in a restricted jurisdiction | 🟡 Caution | Restricted Access is flagged on the page — check availability in your region first. |
⚡ Is Jack Hammer 4: Chasing the Dragon worth playing?
Go for it if you're drawn to layered mechanics with clearly structured logic — the Expander, Upgrader, Multiplier, and Cash Prize corner features trigger in a predictable order, which makes every big win feel earned rather than random. If you'd rather have something simple without a long rules read, though, you'll need to learn the corner-activator system here before you can gauge the full 10,000x potential.
Game screenshots
Frequently asked questions about Jack Hammer 4: Chasing the Dragon
What is Jack Hammer 4: Chasing the Dragon about?
Jack Hammer 4: Chasing the Dragon continues the story of detective Jack Hammer as he tracks down the mysterious criminal known as the Dragon through the streets of Chinatown. The game combines classic noir detective vibes with an Asian-inspired setting and exciting bonus features.
How does Sticky Win work?
Sticky Win is triggered by a large winning cluster or multiple Scatter symbols. During the feature, winning symbols stay locked in place while new ones fall onto the reels, giving you more chances to build even bigger winning combinations.
What are the Corner Wild Features?
Special symbols can appear in the four corners of the grid and trigger different bonus effects. They can add Wilds, increase your winnings, unlock extra features, or award instant cash prizes, making every spin more exciting.
How do you trigger Free Spins in Jack Hammer 4?
Free Spins are triggered by landing 5 Scatter symbols. During the bonus round, extra features and multipliers become active, helping you create bigger wins throughout the feature.
