Jack Hammer - NetEnt

By PokiesHub Editorial Team

13 Jan 2026 • PokiesHub Australia

Game overview

Jack Hammer is the original detective-themed NetEnt slot released on 11 October 2010. Its comic-strip presentation and film-noir soundtrack introduce the series' recurring investigator. NetEnt's own game page lists a five-reel, three-row arrangement with 25 fixed paylines, a published 96.96% return to player and a maximum listed payout of 700 times the stake. Those specifications describe this particular release, not its sequels.

What Sticky Win does

The game's signature Sticky Win mechanic does not turn the next paid spin into a guaranteed win. When a qualifying combination forms, the winning symbols lock and the remaining positions re-spin. Additional symbols can extend the sequence; the held wins are evaluated and paid when no further combination appears. The important distinction is that Sticky Win creates a conditional sequence within an outcome, rather than a method for predicting later paid spins.

The original free-spins round has its own rules. NetEnt says five or more free-spin symbols award the feature, and line wins during free spins are tripled. Wilds can replace ordinary symbols but not free-spin symbols. The difference matters when the original game is compared with Jack Hammer 2, where the provider lists 99 paylines and doubled—not tripled—line wins during free spins.

Reading the specifications

The 96.96% figure is a theoretical return over a very large volume of play, not a personal session forecast. The published maximum payout is similarly a ceiling rather than an expected outcome. An individual game's information screen, where available in a licensed market, should be checked for the installed maths configuration and features.

This article concerns the original release as documented by NetEnt. It does not establish that real-money online casino games are lawfully supplied in Australia.