Fatz's Diner GigaBlox

by Yggdrasil

Fans of the Gigablox function and appreciators of 1950s American nostalgia will probably be very happy with Yggdrasil Gaming. Fatz’s Diner Gigablox is set in a typical American Diner— imagine a clean Denny’s if you can—but the caterers and the clientele are all animals. Apart from Gigablox, the game also boasts a max win of 9,052x, a Free Spins Bonus and Expand and Respin symbols to help you fill your pockets.

Slot information

RTP: 96.00%
Volatility: High
Max Payout: 9,052x stake
Reels: 5
Paylines: 40
Jackpot: No
Min Bet: 0.20
Max Bet: 40.00
Themes: Animal, Food
Release Date: 5th Oct 2023

Our rating

“ Gigablox and massive multipliers are a tasty combo! ”

3.8 out of 5

Win potential

Play Fatz's Diner GigaBlox

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Fatz's Diner GigaBlox Screenshots

Fatz's Diner GigaBlox Features

Grab your milkshake, ignore the jukebox and put between 20p and £40 into the slot machine next to it instead! This 5x5 slot has 40 paylines and is advertised as being highly volatile. Starting from the leftmost reel, you just need between 3 and 5 symbols to land on 3 consecutive reels. 

The symbols are a mixture of animal characters and food items that are ordered at this odd little diner. Low pays are the food symbols—bananas, berries, grass and ham—and they’re all of the same value. 5-of-a-kind pays out at 0.8x the bet. In ascending order, fedora-supporting crocodile, nerd monkeys, milkshake-slurping deer, rocker lion and grill-working hippo are the high pays. 5 of these matching creature symbols will win you between 1x and 4x times the stake. 

A Vinyl symbol is Wild and can substitute for all normal paying symbols. On top of that, you’ve also got Gigablox. For the uninitiated—where on earth have you been!?—Gigablox are giant pay symbols, so they cover more positions on the grid, thereby increasing your chances of landing matching symbols on the paylines!  

Expand & Respin

The Arrow Expand and Respin symbol triggers a respin, and it also expands the GigaReel, thus increasing the size of the subsequent Gigablox. The Expand and Respin symbol’s arrow indicates the direction in which the GigaReel will expand. Gigablox can increase up to 5x5 in size.

Free Spins

If 5 or more Bonus symbols fall, it triggers the Free spins Bonus. You start off with 5 free spins by default, and the number of Bonus symbols that have fallen to trigger the round corresponds to the number of extra free spins you’ll receive i.e. if 6 Scatter symbols trigger the bonus round, you’ll have 11 free spins in total. 

Once you’ve entered the round, you’ll see the GigaReel to the left of the game area, plus in the top right corner, you’ll see the Hippo multiplier. The GigaReel indicates the minimum size of any Gigablox that’ll fall. To ascend up the GigaReel, you just need more Arrow Expand and Respin symbols to drop. Once you’ve accumulated 3, the minimum size of the Gigablox will be 3x3. Accumulate 6 and the Gigablox will increase to 4x4. 9 will give you a Gigablox of 5x5. 

The Hippo Multiplier begins at 3x and increases by +3 with every subsequent Hippo win. Although the Hippo is the highest pay symbol, he doesn’t like to share, so this Multiplier won’t be applied to any other winning combinations. The Hippo Multiplier does stay until the end of the round, though. Keep in mind that if any Bonus Scatter symbols land, you’re awarded even more free spins.

Players outside the UK can purchase 2 different bonus features. 100x the bet gives players between 10 and 30 free spins. 600x the bet gives you 30 free spins with a Hippo multiplier of 9x.

Fatz's Diner GigaBlox - Gigablox


Watch as reels come together to form a GigaBlox, which can reach up to 5x5 in size, thereby upping the chances of landing winning combinations on the game’s 40 paylines.

Fatz's Diner GigaBlox - Expand and Respin

Expand and Respin

If an Arrow Expand And Respin symbol lands, players don’t just get a respin but the GigaReel expands 1 reel in the direction of the arrow, thus increasing the size of the subsequent GigaBlox.

Fatz's Diner GigaBlox - Free Spins

Free Spins

5 landing Bonus Scatter symbols trigger the Free Spins round—5 free spins plus extra free spins corresponding to the number of Scatter symbols that triggered the round. Extra Scatter symbols win you further respins.

Fatz's Diner GigaBlox - Hippo Multiplier

Hippo Multiplier

During the Free Spins Bonus round, a 3x multiplier will be applied to the first winning combination made up of the highest-paying Hippo symbol. The multiplier increases by +3 with every subsequent Hippo-winning combo!

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Fatz’s Diner Gigablox Review

On Yggdrasil Gaming’s menu, slot fans can now find Fatz’s Diner Gigablox. They tackled the hospitality industry previously with Shaker Club, and now they’ve come up with an alcohol-free serving of sodas and milkshakes.


The action takes place in a typical American diner. Instead of human caterers and customers, you’ve got animals instead. The graphics are fine but nothing special and the same can be said of the 1950s rock ‘n’ roll loop.

Game Play

What sets the game apart is the Gigablox feature. The falling Arrow symbols both expand the GigaReels and award respins. During the Free Spins Bonus, these symbols function in much the same way, but they also move players up the GigaReel meter, potentially increasing the minimum size of the Gigablox up to 5x5. The Hippo Multiplier in the bonus game is a cool little feature too, although it does only apply to winning combinations made up of the highest-paying Hippo symbols. 

Win Potential

The value of the standard winning combos seems a little on the low side but the max win of 9,052x is pretty tasty! The RTP is 96% and the volatility is high. Plus the Arrow Expand and Respin symbols seem to drop quite frequently, in my experience.

Our Verdict

Fatz’s Diner Gigablox hasn't left me with a lot to criticise or shout about either. The Gigablox feature will please fans and the Bonus Free Spins round is fun. When those Hipo Multipliers get to work, the wins can really start to build up.

Paul Clare
Reviewed by Paul Clare Last updated on

Paul spent plenty of time in arcades up and down the UK discovering all of the best fruit machines and watching them grow into the incredible online slots we see today. He still loves the basic format but also has a soft spot for games with big bonus rounds that progress as you play. Immortal Romance is one of his favourite slots of all time.

Learn more about Paul here

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