Jack Hammer 2: Fishy Business

Jack Hammer 2: Fishy Business is a NetEnt online slot that trades the studio's usual gloss for a comic-book detective yarn, and you can play the whole thing here as a free demo. No deposit. No signup. No real money. It follows the original Jack Hammer, and NetEnt goes all-in on the noir setting: a trench-coated hero, a city packed with crooks, and a cast of fishy villains. This Jack Hammer 2: Fishy Business slot review covers how it plays, what the numbers say, and whether it's worth your time in 2026.

Jack Hammer 2: Fishy Business theme, look and mechanics

The theme is pulp detective fiction, played straight. Jack Hammer chases a gang of fish-themed criminals through a rain-soaked city, and NetEnt draws it in bold comic-book panels with speech bubbles. It's a look the studio leaned on heavily in that era, and it still holds up.

NetEnt built this one around a fixed set of reels with a set number of paylines, so wins land on defined lines rather than the cluster or Megaways setups you'll see on newer releases. We couldn't confirm the exact reel count, rows, or ways-to-win from our sources, so we won't guess at them. What we can tell you is how it feels. Spins resolve quickly, the base game stays busy, and the fish symbols carry the bigger payouts while the lower symbols fill out the smaller ones.

The headline mechanic is the sticky win feature. Land a winning combination and those symbols can lock in place while the rest of the reels respin, giving you a shot at building the same win again. That's what keeps a low-volatility slot from feeling flat, because you're always one respin away from extending a hit. Free spins come into play too, and they're where the bigger moments tend to happen. If you want the fuller picture on how these mechanics compare across studios, our guide to slot RTP and volatility explained breaks it down.

RTP, volatility and what to expect

The published RTP is 97.07%. That's high. Most online slots sit somewhere between 94% and 96%, so this one returns more to players over time than the average release. It doesn't mean you'll win more in a single session, but the house edge is thinner than usual.

Volatility is low. In plain terms, wins come around more often but tend to be smaller. You won't sit through 200 dead spins waiting for one monster hit. Instead you get a steadier drip of smaller returns, with the sticky win feature and free spins offering the occasional step up. If you've played high-volatility slots and found them frustrating, this is the opposite experience.

We couldn't confirm a maximum win multiplier from our sources, so treat any specific figure you see elsewhere with caution. What we can say is that low volatility plus a 97.07% RTP points to a game built for longer, gentler sessions rather than jackpot hunting. For a UK reader, that matters. You're playing with GBP deposits and withdrawals at licensed operators, and you'll want to check a casino holds a UKGC licence and supports GamStop before you play for real money. Our responsible gambling tools page covers what to look for.

Playing the Jack Hammer 2: Fishy Business free demo

The demo runs in your browser with no download and no account. You get a virtual balance, you spin, and nothing touches your bank. That's the whole point. It lets you learn the sticky win timing and the bonus trigger without risking a penny.

Give it a proper go. Ten to fifteen minutes is enough to get a feel for the pace, and we'd suggest 20 to 30 spins before you judge it. Low-volatility slots can feel slow at first because the wins are small, so a short burst won't tell you much. Watch how often the sticky win respins actually extend a hit, and note how frequently free spins trigger.

If you like what you see, you can move to real money play at a licensed casino. Compare options on our best online casinos page, and remember a welcome bonus usually comes with wagering terms worth reading first. Prefer to keep it free? There's a full library of free casino games to work through.

Should you play Jack Hammer 2: Fishy Business?

Play it if you want a relaxed, low-volatility slot with a strong theme and an unusually generous RTP. The 97.07% figure alone puts it ahead of most of what's on the market, and the sticky win feature gives the base game enough texture to hold attention. Fans of the original will feel at home straight away.

Skip it if you chase big single wins. Low volatility means the ceiling is lower by design, and anyone who wants the thrill of a 10,000x drop will find this too tame. It's also an older NetEnt release, so if you want modern mechanics like Megaways or cluster pays, look elsewhere.

Our verdict: a solid, well-made slot that rewards patience over adrenaline. Try the demo first, then decide.

18+ only. Play responsibly. Demo play uses no real money.