Book Of Irish Treasures Slot Review
A moonlit Irish meadow, ivy climbing a carved-wood frame, toadstools glowing orange at the corners while green sparkles drift through a star-flecked sky. Book Of Irish Treasures is built on one small heresy: it reassigns its expanding symbol on every free spin instead of locking one in for the round, and that single change quietly fixes the book format’s oldest frustration – a bad draw souring ten spins at once. It runs on a 5×4 grid with 10 fixed paylines, a 96.01% RTP and high volatility.
The format gets another outing from Spinomenal, whose back catalogue already includes Book Of Elves 2, Book Of Rebirth Extreme and Book Of Titans. This one trades Egypt and Valhalla for a moonlit Irish hillside, and it plays the format straight: one dual-role symbol, one expanding-symbol bonus, one buy button. No maximum win figure is published for this game, so the ceiling is whatever the paytable and expansions can assemble.
Symbols and Paylines
Wins pay left to right from the leftmost reel, and only the highest combination on each line counts. Multiple line wins in one round add together, and every win is multiplied by the bet per line on a game set to 10 fixed lines. The paytable splits between Irish icons and royals:
- Pot of Gold: 10, 100, 1,000, 5,000 and 10,000 for two, three, four, five and six of a kind
- Leprechaun Hat: 5, 40, 400, 2,000 and 4,000
- Beer Mug / Pipe: 5, 30, 100, 750 and 1,500
- A / K: 5, 40, 150 and 300 for three to six
- Q / J / 10: 5, 25, 100 and 200 for three to six
Two of a kind pays only on the top two symbols, which is a small mercy on a ten-line game. Below the Beer Mug and Pipe, the royals drop off fast: the Q, J and 10 all share one pay row, so most of the base-game wins you’ll see are small multiples of the line bet.
The gap between tiers is worth a look. Six Pots of Gold pay 10,000 while six Leprechaun Hats pay 4,000, and from there each step down roughly halves: the Beer Mug and Pipe top out at 1,500, the A and K at 300, and the bottom royals at 200. On a ten-line game with wins multiplied by the line bet, the top of the paytable is doing almost all of the promising.
The Pot of Gold is the symbol worth chasing. It’s also one of the symbols that can expand during free spins, which is where the real money in this game sits.
The Scatter Wild
The book itself is the wild, and it’s also the scatter: it substitutes for every symbol in the game, and three or more of them scattered anywhere on the reels will both pay a prize and trigger the free spins. It’s the classic dual-role symbol the format is built on, and here it carries the whole bonus door on its back.
The scatter pays are steep, and they land on top of any regular line wins in the same round:
- 3 scattered Wilds: 2x
- 4 scattered Wilds: 25x
- 5 scattered Wilds: 250x
- 6 scattered Wilds: 500x
Even the minimum trigger pays double your money before the free spins start. Land the top end of that ladder and you’re looking at a serious hit in its own right, bonus round or not.
Because the wild substitutes for everything, it never blocks a line win: any symbol it sits beside can be completed by it. That also means the six-of-a-kind scatter pay, at 500x, outranks every regular symbol in the game. The Pot of Gold needs six of a kind to reach 10,000, and the wild only needs six scattered positions anywhere on the reels to pay 500x, no line required.
Free Spins and the Expanding Symbol
Three or more scattered Wilds award 10 free spins, played at the same bet per line as the round that triggered them. The twist is that the expanding symbol is reassigned on every single spin: one randomly chosen symbol, never the scatter Wild, acts as the expander for that spin only.
After the spin result is settled, the expanding symbol grows to fill new paylines on top of the existing ones, but only when the expansion actually creates a win. When it does expand, it pays across all active lines whether or not the symbols sit on consecutive reels.
Expanded wins count separately from the original result, so a single spin can pay twice: once on the base line wins, once on the expansion. On a ten-line game, a full expansion of the Pot of Gold is the sort of round the format exists to produce.
What that reassignment means in practice is worth spelling out. In most book games the expander is fixed for the whole round, so a poor draw sours ten spins at once. Here a bad assignment costs one spin. The other side of it: a premium expansion is just as fleeting, and the next spin re-rolls the dice on whatever the reels decide to offer.
Free spins can retrigger. Three more scattered Wilds during the round add another 10 spins, and there’s no stated limit on how many times that can happen.
Buy Feature
There’s a Buy Feature button in the base game that skips the scatter hunt and triggers the free spins round immediately. The purchase works in three steps:
- Click the Buy Feature button to open the purchase window
- Adjust the bet per line for the round you’re about to play – the buy price scales with whatever bet you set
- Pay the buy price and the free spins start straight away
The bet controls are locked once free spins begin, so whatever you set in the buy window is the bet the round plays at. During the round the help and settings buttons are disabled too, and only the pause control stays available if you’re running autoplay alongside it. It’s a straightforward purchase with no tiers or variant rounds to choose between – one price, one round, same rules as a natural trigger.
One thing the buy doesn’t change is the retrigger rule. A bought round plays identically to a natural one: 10 spins, a fresh expanding symbol on each, and three more scattered Wilds adding another 10 on top. What you’re paying for is certainty of entry, not a better version of the round.
Our Honest Verdict
Overall Rating: 7.1/10
Playing this is mostly waiting: a thin ten-line base game where the scatter Wild is the only symbol that matters, stretched between bonus rounds. You’d choose it for the free spins, and because the expander re-rolls every spin, no round is ever dead on arrival – each spin carries its own shot at a full screen of gold.
That per-spin reassignment is the strength, and the scatter ladder paying up to 500x before a single free spin is a genuinely generous trigger. The weakness is everything around it: the Irish dressing never touches the mechanics, the royals pay scraps, and outside the bonus there isn’t much to do but watch the ivy grow.
It’s for book-slot players who want the format at its least frustrating, and for anyone who enjoys high volatility served with pretty scenery. If you need a base game that entertains between triggers, the meadow will feel quiet. For those happy to wait under the stars for the wilds to land, though, the pot at the end is still worth the walk.
Book Of Irish Treasures FAQs
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How do you trigger free spins in Book Of Irish Treasures?
Three or more scattered Wild symbols anywhere on the reels award 10 free spins. The scatter Wild substitutes for every symbol, so the trigger symbol is also the wild. -
What does the expanding symbol do in the free spins?
On each individual free spin, a randomly assigned symbol acts as the expanding symbol for that spin only. After the result is settled, it expands to form new paylines, but only when the expansion creates a win, and it pays across all active lines whether or not the symbols are consecutive. -
Can free spins retrigger in Book Of Irish Treasures?
Yes. Landing three or more scattered Wilds during the free spins round awards an additional 10 free spins, and there’s no stated limit on retriggers. -
What do scattered Wilds pay in Book Of Irish Treasures?
Three scattered Wilds pay 2x, four pay 25x, five pay 250x and six pay 500x. These scatter prizes are paid in addition to any regular payline wins in the same round. -
Can you buy the bonus on Book Of Irish Treasures?
Yes. The Buy Feature lets you purchase and immediately trigger the free spins round. You can adjust the bet per line before buying, and the buy price is set according to that bet. -
Does a bought free spins round play differently to a natural trigger?
No. A bought round follows the same rules: 10 free spins at your chosen bet per line, a new expanding symbol on each spin, and the chance to retrigger with three or more scattered Wilds. -
What is the RTP of Book Of Irish Treasures?
The RTP is 96.01%. -
Is Book Of Irish Treasures high volatility?
Yes, it’s a high volatility game, so wins tend to come less often but with bigger potential when they land. -
How many paylines does Book Of Irish Treasures have?
The game is set to 10 fixed lines on a 5×4 grid, with all symbols paying left to right from the leftmost reel.
