Visually, Action Jack has cartoon style graphics and has an Aztec feel to it – set deep in the jungle, symbols on the reels include A, K, Q, J and 10 royals as well as treasure maps, lava falls, gates, amulets, mysterious statues and erupting volcanoes – the latter is the most rewarding symbol with 5 on a payline giving you 25 times your stake. Action Jack himself is the wild symbol and substitutes for all symbols except the scatter – it appears on reels 2, 3, 4 and 5 only.

Action Jack comes with a Synchronised Reels feature – each reel in the game includes stacks of the same symbol (bar the bonus scatter). Before every spin, a reel set with 1 of the stacked symbols is randomly chosen. That symbol may appear stacked on multiple reels for enhanced winning potential.

The slot also comes with a Free Spins Bonus feature which is accessed when you get 3 or more treasure chest bonus scatters anywhere on the reels – 3, 4 or 5 scatters will give you 3, 10 or 25 times your stake as well as 20, 40 or 60 free spins.

Furthermore, all wins during the feature are subject to a 3x multiplier. If you get 3 or more scatters during a free spin, you will retrigger the feature. You can retrigger the feature multiple times with a maximum of 500 free spins to be won in total.

Action Jack is quite a simple slot – the maximum you can win is 1,000 times your stake if you fill the reels entirely with erupting volcanoes. If you do this during a free spin, the 3x multiplier will give you payouts of 3,000 times your stake. It’s a medium variance game so nicely balanced throughout.

Overall, Action Jack is a decent slot which is all about the trebling multiplier in the Free Spins Bonus feature – If you like the theme, there’s plenty which are similar such as Playtech’s Legend of the Jaguar and NetEnt’s Lost Relics.