Jack Hammer Online Slot Review & RTP

Jack Hammer is an online slot game developed in 2010 by Net Entertainment (NetEnt). This was the first online slot from NetEnt to incorporate the sticky wins feature and the game was well received across the globe and continues to be popular with online slot lovers till date. The background story for the Jack Hammer is that the titular character fights the Evil Dr. Wüten who wants to destroy the city and its people.


The game has 15 different independent reel positions so a player can spin them to create different combinations. The entire screen can then be filled with any of the symbols in the game. The wild symbols are located on reels 2, 3, 4 and 5. As with all slot games, these symbols can substitute for all the other symbols with the exception of the free spin symbols. Aside from the sticky wins, the main draw of the game, there’s also the free spin features where players can multiple their winnings.

Jack Hammer Online Slot Bonuses

The sticky wins feature means that every time a winning combination is displayed on screen, it will stick to the reels and the player will be rewarded with one free re-spin. The more symbols are added, the more extra re-spins are rewarded!

You will then have increased chances of winning greater dollar amounts. You can keep going with your bets until you stop winning, which will translate to 2-3 spins per win. Your free re-spins will end, however, either when the screen doesn’t display new symbols or when it’s already filled in all positions.

Keep in mind that free spins can only be activated when there are five or more free spin symbols. In case of three or more symbols, the reward will be a re-spin the same as in a normal win. But it’s also possible to win 10-30 free spins depending on the number of symbols.

For example, five scatters will result in 10 free spins, seven scatters means 20 free spins, and at least nine scatters can mean 30 free spins. The winning combinations during the free spins come with a x3 win multiplier.

Jack Hammer Online Slot Pros and Cons

Jack Hammer provides players with two main ways of winning, namely, via sticky wins and free spins, both of which are relatively easy to get, if you stick long enough with the game. With a 97% theoretical payout percentage, Jack Hammer is highly recommended for beginners and veterans who want to have fun and win at the same time.

Slot Verdict

Jack Hammer is an average slot game in terms of excitement and winnings, but we must also say that it isn’t the worst online slot game in the market right now. The comic-style graphics are one of the most interesting features and the online slot has stood the test of time.

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