Holy Hand Grenade

(Print Studios) Slot Review

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Holy Hand Grenade: Slot Overview

'And Saint Attila raised the hand grenade up on high, saying, 'O Lord, bless this thy hand grenade, that with it thou mayst blow thine enemies to tiny bits, in thy mercy.' And the Lord did grin. And the people did feast upon the lambs, and sloths, and carp, and anchovies, and orangutans, and breakfast cereals, and fruit bats, and large chulapas.' So was it said of the Holy Hand Grenade of Antioch as described in the Book of Armaments, chapter 2, verses 9-21. If that sounds a little bit bizarre, don't worry; it comes from the fecund minds of the British surrealist comedy group Monty Python and may or may not have served as inspiration for a mediaeval-themed online slot, shot through with humour and explosions from the creative minds at Print Studios.

Make sure your tunic and cloak are in place before stepping into the world of Holy Hand Grenade, as Print Studios has rewound the clock to ye olde Medieval times. Outside a sturdy stone structure is where the beginning of this surreal adventure begins, before heading inside for the bonus round where bombs, flames, and goats(?) abound… Till then, take a moment to soak in a taste of the bygone era before roads, suburbs, and malls bulldozed the natural world into submission. An excellent period soundtrack punctuated with goat bleats and 'Hallelujahs' should help with the fantasy.

Holy Hand Grenade slot
Holy Hand Grenade slot - base game

With a highly volatile math model calling the shots, so to speak, Holy Hand Grenade produces three return-to-player values depending on how the game is played. In the regular mode, wagering 10 p/c to £/€60 per spin, the value is 96.45%, or with the Scatter Boost on, thereby getting more scatters for an extra 50% cost it is 96.64%, while buying free spins for 95x the bet has a value of 96.82%. All theoretical, of course, and any device may be used for playing Holy Hand Grenade.

A 5-reel, 4-row gaming panel is provided in the base game, which is expanded to 6-reels, 5-rows in the free spins bonus round. On the smaller gaming grid, 26 paylines are built in, rising to 52 for free spins. Winning lines of regular symbols pay from left to right on adjacent reels, starting from reel number 1. Landing a 5-of-a-kind winning line pays out from 1 to 20 times the bet for the diamond, spade, heart, club, bag, candles, woman, man, and bishop symbols, while payouts bump up to 2x to 50x the bet for a 6 OAK hit when the sixth reel is added. While there is plenty of humour, action and explosions, Holy Hand Grenade does not have a wild symbol.

Holy Hand Grenade: Slot Features

Holy Hand Grenade slot
Holy Hand Grenade slot - free spins

What it does have, though, are Superspinners, a Holy Hand Grenade feature, and free spins.


SuperSpinners are those little markers you can see in between the reels. Sometimes the SuperSpinners will display a number; other times, they will be blank. If a winning line passes through a SuperSpinner displaying a number, the number multiplies the win. If a win passes through more than one SuperSpinner, then each SuperSpinner applies its value to the win in succession.

Holy Hand Grenade Feature

When a Holy Hand Grenade hits, it explodes after any win evaluations have taken place and transforms a random number of adjacently linked symbols into the same random symbol. After the symbol transformation has occurred, a new win evaluation may take place.

Free Spins

Landing 3, 4, or 5 goat-adorned scatter symbols awards payers 7, 9, or 11 free spins, respectively. As mentioned, for the free spins round, the grid expands to 6x5, and 52 winlines. In free spins, when a Holy Hand Grenade symbol hits, it marks its position with a frame for the full duration of the feature. If a Holy Hand Grenade affects a framed position, an extra Holy Hand Grenade triggers from the corresponding position. If a Holy Hand Grenade lands in a framed position, a bigger explosion results. Each landed Holy Hand Grenade also awards +2 free spins.

Holy Hand Grenade slot
Holy Hand Grenade slot - free spins

Holy Hand Grenade: Slot Verdict

Like a lot of what Print Studios has done to date, Holy Hand Grenade came flying in from left field like a creative breath of fresh air. This is a studio which excels at taking players on a unique trip, showing them stuff they might not have seen before and delivering compelling gameplay in the process. It's not always forgiving gaming, so players who are up for a challenge might be a better match. But Holy Hand Grenade's unique brand of entertainment means that whether you prefer something low-key or more tightly wound, it might be worth taking the game for a spin to see what it delivers, regardless.

When it comes to weaponry, more and bigger is generally better, and that maxim applies to Holy Hand Grenade's bonus round. For starters, free spins could be hugely hit or miss. Disappointing back-to-back bonus buys before leading to a 1500x+ return meant free spins could be swingy indeed during testing. The key was the Holy Hand Grenade symbol. Landing a few of these on the grid early to light a few framed positions could tee up some nice snowball explosion effects later in the round, as well as piling on additional free spins. Did we say snowball explosions? When Holy Hand Grenade is dumping its explosive devices all over the place, the board lit up like a carpet-bombing run. A nasty thing in real life, but a blast when it happens while playing Holy Hand Grenade. Get the chain reactions of devastation really churning, and Holy Hand Grenade is good for wins of up to 20,000x the bet.

Have to admit, when rolling out of bed this morning, who would've thought that reviewing a slot featuring 'holy hand grenades' would be on the day's to-do list? But hey, Holy Hand Grenade comes from a team which brought us slots based on taters, golems, and pachinko, so having unique experiences and doing things you didn't even know were a thing is becoming the de facto Print Studios MO. Long may it last, too, as the iGaming sphere benefits from game designers like Print Studios that refuse to bow to tradition, convention, or follow the herd.


Holy Hand Grenade’s explosive gaming blows the cobwebs off an industry often mired in mediocrity.

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