Big Bam-book (Push Gaming) – Review & Demo Play

Big Bam-Book - Overview

I’ve put plenty of spins through Big Bam-Book and it lands as a tidy mash-up of mystery stacks and a book slot. The action plays out on a 5x3, 10-line setup in a stylised Asian village with warrior animals on patrol. Core play revolves around Mystery Bamboo that can expand and reveal matching symbols, wilds, or turn golden for coin wins. Free spins bring a progressive multiplier trail, and the whole package feels pacey, high risk, and capable of chunky sequences.

Slot Details for Big Bam-Book

Big Bam-Book runs on 5 reels and 3 rows with 10 fixed paylines paying left to right on adjacent reels. Stakes range from 10p to £100 a spin, suiting casual sessions and testing streaks alike. The maths model sits in the high bracket with a top RTP setting of 96.31%, though operators can deploy lower versions such as 94.42%, 88.58%, or 85.74% depending on market. I always check the help page in the lobby, as the figure displayed there governs long-term value.

Max exposure caps at 10,000x bet. Push Bet is available in some regions, adding 20% for extra scatters, 20% for extra Mystery Bamboo, or 40% for both. Line wins land from three of a kind, though the top character also pays from two. Wilds can hit on all reels and carry the same top payout, up to 500x for five-of-a-kind. The hit pattern swings around feature clusters, so bankroll planning matters when you chase multipliers and expanded stacks.

Theme, Audio + Symbols in Big Bam-Book

The setting puts Big Bam-Book in a serene mountaintop village, bathed in soft purples with pagodas dotted across the slopes. The reels sit in a wooden frame, and the soundscape leans on gentle woodwind with birdsong layered in, which sets up the spikes of action nicely. It looks clean and crisp on mobile as well as desktop, and the characters sell the vibe without sliding into heavy pastiche. I found the atmosphere calm enough to carry the swingy gameplay.

Symbol wise, the low pays are the four card suits. Five of a kind delivers between 5x and 10x bet. The mid tier is a trio of weapons, paying 25x for five. Highs are the animal warriors: Wolf, Monkey, and Panda. Wolf pays 2x, 20x, 100x for 3, 4, 5; Monkey pays 5x, 50x, 200x; Panda lands from 2 of a kind and pays 1x, 10x, 100x, 500x for 2-5. Wilds sub for regulars and match the Panda’s top line at 500x.

Specials do the heavy lifting. Mystery Bamboo can land in batches; hit three or more and they expand to cover the reels they sit on. They then reveal matching pays or wilds, or flip to Golden Mystery Bamboo. Golden reels spin through coin symbols worth 1x to 100x each, and in the base they can also reveal one Scatter per reel. Book Scatters are the ticket to free spins, where the expanded reveals change how lines pay and the multiplier trail takes over.

Big Bam-book Symbols and Paytable

Symbol	Quantity	Payout
	5	x500
	4	x100
	3	x10
	2	x1
	5	x200
	4	x50
	3	x5
	5	x100
	4	x20
	3	x2
	5	x25
	4	x5
	3	x0.5
	5	x25
	4	x5
	3	x0.5
	5	x25
	4	x5
	3	x0.5
	5	x10
	4	x2
	3	x0.2
	5	x10
	4	x2
	3	x0.2
	5	x5
	4	x1
	3	x0.1
	5	x5
	4	x1
	3	x0.1
	Scatter

Bonus Features in Big Bam-Book

Big Bam-Book’s base is all about the Mystery Bamboo Expansion. With 3+ in view, the stacks expand and reveal a common symbol or wilds across their reels. New lines created after the reveal pay out, even if a line already scored before the expansion landed. When Golden Mystery Bamboo appears, each position rolls for an Instant Prize. This mix keeps the base punching, with bursts of coins or chunky line hits when the reveal picks a premium and lines stitch together.

Free Spins come from 3, 4, or 5 books for 8, 12, or 15 spins. A meter climbs one level every 4 collected books, awarding +5 spins and multipliers of x2, x3, x5, then x10. The multiplier applies to coin wins from Golden Mystery Bamboo. During the round, revealed symbols from Mystery Bamboo pay on all 10 lines irrespective of reel position, which can snowball fast. Eligible markets also get Bonus Buy at 63.6x, 138.2x, 187.6x, or 100x bet, and the Push Bet options outlined earlier.

Expert Verdict on Big Bam-Book

I rate Big Bam-Book as a pacey high-variance ride with a fair dose of suspense. The free spins bonus is a corker thanks to the expanding reveals paying across all lines and a multiplier ladder that can set up tidy coin screens. Coin prizes top at 100x each and the overall cap sits at 10,000x, so it’s not a widowmaker, but it can still throw meaty bursts. When I’m in the mood for stacks and books in one place, this scratches the itch.