Holy Hand Grenade (Print Studios) – Review & Demo Play

Holy Hand Grenade - Overview

I drop into a tongue‑in‑cheek medieval church in Holy Hand Grenade from Print Studios. The nod to Monty Python is clear, and the Grenade sits at the heart of the gameplay. Base play runs on 5x3 with 26 paylines, high volatility, and sharp art and choral audio. Two pillars carry the game for me: SuperSpinners that multiply line wins, and Grenades that explode to transform neighbours. Free Spins switch things up with a 6x5 grid and 52 lines, where framed spots set up bigger chain reactions.

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Slot Details for Holy Hand Grenade

Bets run from 10p to £60 per spin, and wins pay left to right on 26 lines. I work with a stated RTP of 96.45%, rising to 96.64% with Scatter Boost active. Volatility is high, with a base hit rate of 31.4%, so I expect stretches between stronger outcomes. Outside the UK I get Autoplay and Turbo options. The bonus round arrives on average once in 287 spins, or 1 in 113 with Scatter Boost, which matches my sessions well enough.

Free Spins expand the layout to 6 reels and 5 rows, increasing the winlines to 52 and raising symbol values to their 6‑of‑a‑kind scale. The maximum payout is 20,000x stake, with a published hit chance of around 1 in 58,823,529 spins. That cap fits the risk profile I expect from this math model. Non‑UK players can use Bonus Buy at 95x to jump straight into Free Spins. Scatter Boost costs 50% extra per spin and weights the reels towards goat scatters to fuel bonus entries.

Theme, Audio + Symbols in Holy Hand Grenade

The setting is an old stone church where shafts of light meet the blast of incense and fire. I get a serene medieval score that swells into hymns and hallelujahs when things pop. Trigger the bonus and the church erupts, goats trot about, and the pace surges. The humour lands without getting in the way of the maths. On mobile the build holds up well, with slick touch targets and the same crisp presentation as desktop.

I see the card gems as lows: diamonds, clubs, hearts, and spades. Six of a kind during Free Spins will pay between 2x and 4x stake across those. Premiums are bags, candles, a woman, a man, and the Bishop, with 6‑of‑a‑kind values of 8x, 10x, 15x, 20x, and 50x respectively. Line wins in base can also be multiplied by SuperSpinners, so modest symbol pays can grow when routes cut through marked stones between reels.

No wilds here. The Holy Hand Grenade symbol is the trigger piece in both phases, exploding after wins are scored to convert adjacent positions into a single random symbol. Goat scatters carry the word BONUS and landing 3, 4, or 5 brings 7, 9, or 11 Free Spins. During the feature, Grenades mark landing spots with frames, which is key to the upgrade loop. Numbers shown on SuperSpinners can stack to a total of 40x on any line.

Holy Hand Grenade Symbols and Paytable

Symbol	Quantity	Payout
	6	x50
	5	x20
	4	x10
	3	x2
	6	x20
	5	x10
	4	x7
	3	x1.5
	6	x15
	5	x7
	4	x5
	3	x1
	6	x10
	5	x5
	4	x3
	3	x0.7
	6	x8
	5	x4
	4	x2
	3	x0.7
	6	x4
	5	x2
	4	x1
	3	x0.4
	6	x3
	5	x1.6
	4	x0.8
	3	x0.4
	6	x2.5
	5	x1.2
	4	x0.6
	3	x0.2
	6	x2
	5	x1
	4	x0.6
	3	x0.2
	Special
	Scatter

Bonus Features in Holy Hand Grenade

I rely on SuperSpinners between reels showing random numbers per spin. If a winning line passes through one, its number multiplies the line. Hitting more than one stacks the multipliers in sequence, up to a combined 40x. The Holy Hand Grenade feature fires when the orb lands. After win evaluation, it explodes to transform a random set of neighbours into a single symbol, and the game re‑scores. It's a neat mystery‑style effect that can link lines through SuperSpinners.

I trigger Free Spins from 3 to 5 goat scatters for 7, 9, or 11 spins on a 6x5 grid with 52 winlines. Every Grenade that lands grants +2 spins and leaves a frame. If an explosion touches a frame, extra Grenades spawn from those positions. Land a Grenade inside a frame and you get a larger blast radius. Scatter Boost raises the cost per spin by 50% and increases bonus hit rate to 1 in 113. Bonus Buy costs 95x outside the UK.

Gallery of video and screenshots of the game