The Kings of Cash slot machine is a 5 reel, 15 payline game courtesy of developers Microgaming. The theme of this slot is all in the name. The action centres around 4 playing card kings. These kings crop up on the reels, along with other symbols of royal status such as thrones, a coat of arms, and a chest busting with antique treasures.

The game features two special scatters and one wild, both of which break up the traditional rolling reels in the Kings of Cash slot machine.

In this review we'll explain what each of the special symbols triggers, and show you where the best returns can be made.

On this page you'll discover:

• The Kings of Cash slot bonus feature - and how to unlock it
• What feature in the game delivers between 10-25 free spins
• How to land a x2 multiplier on King of Cash slot line wins

Not a lot of features, but a couple of bonuses break the action up

The Kings of Cash online slot plays out across 15 paylines, and it's up to players to adjust their coin size, and bet level, from the sliding scales, or simply bet the max bet amount each time by hitting the 'Bet Max' button. Coin values begin at 0.01 for a 15p total wager, up to 0.25. High rollers may find the stakes here a little underwhelming for their tastes.

Besides a couple of scatters and one wild symbol, the Kings of Cash slot doesn't deviate too much from old school machines. Fans of low bet limits and pure slots action will still find plenty to like about playing Kings of Cash for real money.

Try the action out for yourself in our free play Kings of Cash demo, or play for real money at one of our top choice casinos.

5 Kings of the same suit delivers the biggest payout

There may be 4 King symbols on the reels, but landing five of the same suit across a winning payline is what nets players a top payout of 300 x their line bet. It doesn't matter which suit you match, as all kings in Kings of Cash pay out the same returns for matches of 3 or more.

The Crown Scatter is the key to Kings of Cash's Bonus Game

If you want to see the biggest boost to your bankroll playing Kings of Cash online slot you'll need to trigger the bonus feature. This is unlocked simply by landing 3 or more Crown Scatters on the reels.

In this feature, the action takes place away from the reels. Instead, you'll be presented with a grid of facedown playing cards, and you'll choose three at random to turn over. If your selections match up you'll get the payout value of whatever King you've landed, the most lucrative being the King of Spades.

A 2x multiplier applies during the free spin feature

Another opportunity to grow your winnings comes in Kings of Cash slot's Free Spins feature, which unlocks when you land 3 or more Royal Banners on any spinning reel.

Three banners will net you 10 spins, four gets you 15 and five banners delivers 25, so there's everything to play for. What's more, all wins landed while in free spin mode are subject to a x2 multiplier. This means there's a good chance to turn even lower value wins into something a little more substantial.

Gambling after wins is an additional option on offer in Kings of Cash slot machine

Eagle eyed players will notice an extra "GAMBLE" button on Kings of Cash's control panel. This comes into effect whenever you win across one of the main game's 15 paylines. Instead of taking the win you've landed, you can press the gamble button and risk it all.

The gamble feature takes the form of a 'lucky dip' style game where you need to correctly identify the colour of the next playing card to be revealed (red or black) in order to keep, and increase, your win.

Lacks the wow factor but does the job all the same

The Kings of Cash slot machine isn't about to change your life anytime soon. But if you like your bet limits low, with a little distraction from the regular slots action, this one may just suit you yet.

The graphics are fine, the wins frequent enough that our interest stayed peaked, and the bonus elements, while not mind-blowing, give Kings of Cash slot that little edge it needs. Sure it could be better, but for straightforward, simple slots play, without too many distractions, this one delivers.