Many of IGT’s top slots made their names in Las Vegas and Atlantic City originally, but for a game that almost defined the selection at such casinos, you need look absolutely no further than Double Diamond.

1. IGT S2000 Double Diamond Slot Machine Multi-line 5 reel. Double Diamond is a multi-line game made by IGT. Players benefit by having their own slot machines in their homes because the casino has the very same machines. Gambling at home gives one a different perspective on how to play the machine.
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Initially developed for brick-and-mortar casinos in Las Vegas, the Double Diamond slot machine has now been brought online by IGT so that you can enjoy it at online casinos from the comfort of your own home.

Dubbed ‘the dazzling hit that launched a gaming revolution’, on first appearances it will seem rather outdated to many of you who are used to playing 3D slots, however it will appeal to those of you from an earlier generation who are used to the simplicity and quick gameplay of traditional slots – plus it offers a generous 95.44% return to player percentage so you should see a better return than most online slots.

How it Works

Don’t worry just because it only contains 3 reels and 1 payline, Double Diamond still functions how online slots work most of the time. With one payline there are no options to adjust, however you can adjust the stake amount from £10 up to a maximum of £1,000 – though this will vary from casino to casino. You can also activate the ‘auto spin’ option that plays a pre-set number of spins rather than you clicking the spin button each time – with up to 50 spins allowed to be spun automatically. You might want to check the settings and turn the horrible cranking noise of the gears churning too – it’s quite unbearable!

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6 Symbols On View

If you’ve played fruit machines before, especially those that only offer three reels and one payline, you’ll know not to expect many different symbols on the reels. The Double Diamond slot machine is no exception as there are only six symbols in total – with the usual suspects popping up.

Firstly, there is the Double Diamond logo itself which is the Wild symbol in an oval shape with two sparkling diamonds encased with ‘Double Diamond’ text. The other five will be all too familiar to you if you’ve played fruit machines before with a 7, tripe bar, double bar, single bar, and cherries all completing the range of symbols you will encounter when the reels are spun.

3 Double Diamond’s for 1,000x!

Now that you are fully aware of what symbols to expect when the reel’s spin in Double Diamond, it’s time to look at the various winning combinations that are available to – ranging from a mere 5x win up to a staggering 1,000x win – just don’t tell the wife or she’ll be wanting her wedding ring upgraded!

As you’d expect it is the Wild (Double Diamond logo) that brings the biggest perks of all. Not only does it match any other symbol on the payline to provide you with the highest possible win, if one Wild contributes to a win you’ll be paid 2x, while if two Wild symbols contribute to a win you’ll be paid 4x instead. Should you get really lucky and land three Wilds at the same time, it’s a whopping 1,000x that will see you beam as bright as a diamond!

This is in stark contrast to the lowest payouts. For example, one cherry on the reels pays 2x, two pay 5x, and any bar pays 5x too. Combinations of three symbols see the payouts gradually increase as three cherries pays 10x, three single bars pay 10x, three double bars pay 25x, three triple bars pay 40x, and three 7’s pay 80x – so there is certainly plenty of opportunities to win big in Double Diamond!

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Not Bad for 3 Reels…

If a simple spin of the reels with quick gameplay is your preference the Double Diamond slot machine will be quite enjoyable, however if you are more used to slick and modern slot machines packed with free spins modes, second screen bonus games, and pick ‘em features this is a slot to avoid – heck there is not even a gamble feature and that’s very uncommon nowadays!

There have been different versions developed since this 3-reel version with a 5-reel version also available from IGT, however there are countless other fruit machine slots available to play online that are more modern than Double Diamond and also contain more reels and paylines – as well as bonus features for the opportunity to win more cash. For example, the Xtra Hot slot machine from Novomatic has an ‘X Feature’ and NetEnt’s Dazzle Me slot machine boasts Linked Wilds and Dazzling Wild Reels – you can’t go wrong with either of them!

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This slot review introduces you to a game that is so basic that you will feel like you are back in time when slots were in their infancy.

What makes Double Diamond unique among games of its genre is that the Double Diamond is not only the game’s highest paying symbol; it’s also a wild symbol.

So, what could otherwise be a boring and repetitive game becomes an entertaining trip down memory lane.

Double Diamond takes you back to basics

One of the fantastic features of modern slot technology is that online slot games today can be as simple or as complicated as the player wants. However, the emphasis nowadays is clearly on games of an intricate nature, with manufacturers going all out to make customers say, “Wow, this game is completely different from anything I have ever played before.”

The majority of the hundreds of online slot varieties available have five reels, many paylines and multiple special bonus features. But what if you have a hankering for a simple three-reel machine like your grandma might have played? Or maybe one like you played at the penny arcades back in the day?

This IGT-created slot Double Diamond fits the description.

Double Diamond basics

This is online slot play at its purest. Double Diamond consists of three reels and one payline.

IGT originally developed the Double Diamond slot game in 2005 for use in Vegas land-based casinos. The game was subsequently adapted for online and mobile use.

Depending on where you play the game, the minimum and maximum bets vary. However, the bet range is wide enough to accommodate most player’s preferences.

RTP and volatility

The manufacturer lists the return to player (RTP) of this game as 94.44%. Compared with other online slots, this rate of return is about average. Many online slots offer a higher RTP.

The RTP is a measure of the type of results you can expect in the long run rather than in any given playing session. So, for those playing with limited bankrolls, choosing games with a higher-than-average RTP is highly recommended.

Double Diamond has medium volatility. It offers enough variance to keep the game interesting, but not so much that a bad run is likely to deplete your entire bankroll quickly.

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No bonus features or progressive jackpot

Double Diamond is a no-frills game; what you see is what you get. If you’re hoping for a mega-sized payday, don’t waste your time.

Likewise, if your favorite slot games are filled with suspense and the potential for action and excitement on every spin, Double Diamond comes up short.

There are only a handful of symbols and not very imaginative ones: cherries, bars, sevens and, of course, the Double Diamond symbol. Slots don’t get any more old school than this.

27 ways to win

You have seen and perhaps played slots with 243 ways to win and even 1,024 ways to win. Double Diamond only has 27 ways to win.

According to the manufacturer, the maximum payout possible is 1,000x your bet. But for that to happen, the Double Diamond symbol has to land in triplicate across the reels exactly on the designated center payline. Though it is highly unlikely.

Double Diamond is the type of game to play if you have a little extra time on your hands, and you would like to have some fun while experiencing a taste of nostalgia. I don’t recommend this slot for prolonged or frequent play.

Double Diamond paytable

Keep in mind that Double Diamond has three reels rather five, which is more common. While, in most instances, you need three symbols of a kind to line up across the reels, in this game, having four- or five-of-a-kind land is impossible.

Furthermore, the game only has one payline. If the matching symbols land outside the payline, as they often will, the spin is a loser.

Here are all of the possible regular symbol payouts, from highest to lowest:

• Three Double Diamonds: 1,000x your bet
• 777: 80x your bet
• Three triple bars: 40x your bet
• Three double bars: 25x your bet
• Three single bars: 10x your bet
• Three cherries: 10x your bet
• Three nonmatching bars (e.g., two double bars and one single bar): 5x your bet
• Two cherries: 5x your bet
• One cherry: 2x your bet

Note that the bar symbols don’t necessarily have to match to produce a payout. As long as three bars of any type line up on the payline, it is a winning combination.

In addition, the lowest paying symbol, the cherry, is a winner even if just one of them appears on a payline.

Double Diamond wild symbol

Double Diamond does include one special feature that distinguishes it in a big way from other slots with three reels. That is the inclusion of a wild symbol with a multiplier.

In addition to being the highest-paying regular symbol when three of them land on the payline, one or two Double Diamonds on a payline has the potential to substitute for any other symbol to complete a winning combination.

Old Double Diamond Slot Wins

A winning combination completed with the help of a single Double Diamond symbol will multiply the regular winning payout by two.

Furthermore, a winning combo completed with the help of two Double Diamond symbols will multiply the regular winning payout by four.

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Thus, for example, a single seven symbol on the payline would be worthless. But if it lands together with two Double Diamonds, you would receive a whopping 320x your bet size.

The bottom line: A summary of Double Diamond pros and cons

Even when the RTP is less than my minimum requirement for recommending for real-money play, whenever possible, I will still play it in demo mode as part of my overall evaluation. However, in this case, I wasn’t able to perform my customary three sessions in demo mode since the default setting does not provide a sufficient bankroll for the minimum bet.

Although the bankroll is preset at only $1,000, the smallest demo mode bet possible is $100. Having just 10 units to work with is woefully inadequate for this game and would result in a very high probability of tapping out.

The main advantage of playing a game like Double Diamond is its simplicity. You are not overwhelmed by choices like you are in many other slot games.

You have only two decisions to make during the entire game: The first is your bet size and the second is when you will stop playing, although that could be decided for you if you are not sufficiently capitalized to withstand a long sequence of non-winning spins.

Personally, I find being restricted to just a single payline too confining. It is frustrating to keep having the symbols land either just above or just below where they need to land. I also prefer games with a lot more action and adventure or at least a theme that means something to me.

The graphics and soundtrack for this game are pleasant enough to engage my attention momentarily. But cherries, bars and sevens don’t excite me sufficiently for long-term play.

I suspect most of today’s slot players agree and prefer slots that deliver more bang for their buck. Double Diamond is fine if you feel like taking a brief trip down memory lane, but as one of your favorite go-to slots, you can do so much better.