Most 9 reel slots look and feel much like a traditional 3 reel slot machine. Players will find three rows, which resemble standard reels, each with three images. Instead of the entire reel spinning, as in a 3 reel slot, each image (there are 9 in total) spins independently, as if it were its own, independent reel of symbols. Vegas slot fans will be familiar with the Double Diamond slot machine, another popular title in the series by IGT. The game is a 3 reel, 9 payline slot that features multiple lines such as straights, diagonals, and V styles. The game features classic slot.

With a range of friendly cartoon like monsters, Monster Mania is based on the 5 Reel Drive video slot from Microgaming. It has five reels, nine line, a wild symbol and a scatter pay. Top jackpot is 1,000 coins and while this is relatively small it does hit quite often.

Monster Mania is available in four different coin denominations - 25¢, 50¢, $1 and $2. Maximum bet is nine coins per spin so the minimum max bet is $2.25 per game. We recommend playing max bet so you do not miss out on any of the winning combinations. There is nothing worse than lining up the top jackpot symbols and being one or two coins short.

In total the game has seven monster symbols and five fruit symbols. The fruits make up all of the smaller pays with wins coming in at between 1 and 25 coins. The scattered brain symbol pays between 10 and 100 times your total bet. This is up to 900 coins making the scatter the second highest win.

The wild monster substitutes for all other symbols but does not have a specific pay attached to it. Get five wilds, five of the hairy monsters or any combination of the two to win the 1,000 coin top prize. Five of a king pays for the rest of the monsters range from 900 to 300 coins.

If you are new to video slots then Monster Mania is a good place to start as it has a good range of mid level jackpots that hit on a regular basis. The only thing that this game is lacking is some sort of bonus game.

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Black Diamond Slot Review

Black Diamond is a game that is tailor-made not for players who just want a retro-style slot machine, but players who want something that’s as close as possible to the old Vegas classics.

Everi Gaming provides fast reels, a clean design and customizable paylines to deliver a new machine that has the feel of the old antiques. While it lacks the flashy bonus features of other modern slots, the Black Diamond slot machine has a few tricks up its sleeves with potential progressive jackpots and multipliers.

Featuring a nostalgic design, this clean and simple design may disappoint players used to flashier graphics. The symbols are classic sevens and bars, although the single, double and triple sevens do come in separate colors to make them a little easier to keep straight.

The wild spaces add a little more variety with the Black Diamond logo adding a little shine to the reels. Their commitment to the old look goes as far as including blank spaces.

The sound effects stay true too, with only chimes and bells to signal the spinning wheels and winning paylines. The only modern allowance visible is that the spinning reels do glow red with excitement when a jackpot may be forming.

Compare Game Features – Paylines – RTP

Game specs for Everi Black Diamond slot game
SoftwareEveri
Type of SlotVideo Slot
Paylines3
Reels9
Min. Bet$0.25
Max. Bet$90
Max. RTP96.08%
Max. JackpotProgressive Jackpot
FeaturesScatters, Wilds
Free PlayYes

Black Diamond: Core Gameplay

This older style machine has a fairly focused number of ways to win. Black Diamond has three reels and three rows, with nine potential paylines. The paylines can stay visible on the screen to help players track potential wins as the reels settle.

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This is particularly important because players can choose to player fewer than nine paylines if they wish. The game allows players to bet on one, three, five or seven paylines if they want to stretch out their buy-in. Although players cannot pick the specific paylines they want, each payline is already numbered and ranked one through nine.

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The inclusion of blank spaces on the reels and the fairly small number of paylines means that payouts are a little rarer, but they tend to be a little bigger than other machines.

The only payout that’s below break even for a 9-line bet is an unmatched set of bars. The sets of sevens are a good payout on a normal payline, but the really big paydays rely on the jackpots and multipliers.

Special Features

Black Diamond offers a progressive jackpot for players betting the maximum amount of three credits on all nine paylines, for a total of 27 credits.

The Black Diamond spaces are normally just wild spaces, but if three of them fall on a payline they count as jackpot spaces. If they fall on paylines one through eight, it triggers the minor progressive jackpot.

Falling on the ninth payline, which is a V-shaped line through the top left, center and top right spaces, triggers the major progressive jackpot.

Players who don’t want to bet the maximum aren’t completely removed from the jackpot though. Hitting the minor jackpot when the bet isn’t maxed pays 300x the line bet, and hitting the major jackpot pays 5,000x the line bet.

One more way to win big is through the multipliers that can appear on the reels. Certain symbols will randomly appear with special multipliers stamped on top of them. If these special spaces fall within a winning payline, they multiple the line by that amount.

More important though, is that multiple multiplier spaces in a payline are able to stack all the way up to 30x for huge payouts.

Multipliers are never added to Black Diamond spaces, which means that jackpots can’t be multiplied. Although any symbol other than the wild spaces can have a 2x multiplier. Single bar and the single red sevens can also have a 3x multiplier. The 5x multiplier can appear on the double bars, yellow double sevens and blue triple sevens.

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Old School Charm and Limitations

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The Black Diamond machine is an oasis for fans of the old mechanical slot machines who want a little trip back in time.

Players who are tired of trying to hit it big in bonus rounds or interactive games will appreciate the simple mechanics. The 95.95% RTP also keeps it a good value for more seasoned players planning on a long run. Obviously, anyone seeking a little more style or fun bonus action will be disappointed and should try another game.

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While the progressive jackpot and surprise multipliers provide a little of the fun from more modern machines, this game is all about watching those three reels fly.