With a game format of 3 reels and 5 paylines, you would almost expect the theme to be of a basic nature and perhaps in the style of an old fruit machine. Clone Bonus delivers just that with its one armed bandit look and feel, with the sounds of the slot also making you think you're playing a classic star spangled 7 on a vegas casino floor.

Upon inspection of the paytable we discover that the lower value symbols are made up of the fruits cherries, lemons, plums, oranges and melons. The premium paying symbols on Clone Bonus consist of the classic symbols bars, bells, stars and the top paying symbol sevens. 

Spinning your way into the action on Clone Bonus can take place for as little as just €0.25 a spin, with the maximum bet on the game reaching €125 a play. The staking structure could be a little better if we're honest, with there only being 4 playable stakes under €2. This is often the case though on these particular style of lo-tech slots, as they attract a different kind of player to their hi-tech counterparts. 

The base game on Clone Bonus is very low key and exactly what you'd expect from a lo-tech slot. Matching 3 of a kind symbols across any of the 5 paylines will reward you with the corresponding win from the paytable.

If you're a player that's into base game modifiers and features then, this is going to bore you very quickly. The slot is all about hitting those 3 of a kind wins and the free spin bonus.

To enter the free spin feature on Clone Bonus you will need to spell out the word BONUS on a winning payline. It should be noted that having a section of the word on each reel is not enough, it must be displayed on a winning payline.

Once the free spin bonus round is triggered each section of the word bonus will be covered with a question mark. You are given the opportunity to pick one of these question marks which will reveal your cloning symbol for the duration of the free spin feature. 

After your cloning symbol has been decided, you are then awarded with 10 free spins to begin the bonus round with. Your main aim during this bonus is to get your cloning symbol to land on each of the 3 reels. 

Many of you may well now recognise this game as an expanding symbol slot rather than a cloning symbol game, but in essence they are in fact the same thing. 

If your symbol does indeed land on each of the reels, then it will clone all positions and pay you a full screen across 5 paylines. If you have been awarded one of the high value symbols then this can lead to some substantial winnings.

Additional free spins may be awarded through the word bonus once again being spelt out across one of the active paylines. If this is achieved then you will be rewarded with an extra 10 free spins.

Slots that feature the expanding symbol have proven to be very popular over the years, with a number of game developers trying their hand at this particular niche. Most are aware of the Book of Ra series of slots that arguable are the most famous expanding symbol slot on the market. 

Clone Bonus in our opinion is a nice addition to this genre of online slot as it appeals to those who like their slots in the simplest form. You might not get all of the razzmatazz that you find with Novomatic's Ra series, but you still ultimately get the buzz of a potential full screen of top paying symbols and the big wins that follow it.

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