Inside Book of Dead's Bonus Round

Book of Dead landed in January 2016 and still sits in the lobby of most UK casinos a decade on. Play'n GO built the slot on five reels, three rows and ten fixed paylines, with one bonus round deciding how a session ends. The top prize reaches 5,000x your stake and the game carries an RTP of 96.21%.

A small grid with a large upside explains the shelf life. Few slots from that era survived the arrival of megaways, and this one did.

Why a Ten-Payline Slot Still Holds a Crowd

You spin through an Egyptian tomb alongside Rich Wilde, the explorer Play'n GO has wheeled out across a string of titles since this game launched. Anubis guards the reels, Horus watches from the paytable, and the artwork has aged better than most of the studio's output from the same period.

Play'n GO returned to Rich Wilde several times after 2016 with sequels and spin-offs built around the same character. None of them knocked the original off its perch in the UK charts.

Ten paylines looks thin next to slots advertising 117,649 ways to win. Book of Dead runs on a different model. Your stake splits across those ten lines, every win lands on one of them, and you read the result at a glance.

Wins pay left to right. Three matching symbols on a line pays, four pays more, five pays most. Card ranks fill the low end. Anubis, Horus and Sobek sit above them. Rich Wilde pays the most when five land on a single line, and he turns up often enough in the base game to keep the balance steady.

Play'n GO kept the interface bare. No cascading reels, no base-game multipliers, no expanding ways. You get a straight five-reel slot with a bonus round bolted on the end.

The Book symbol covers two roles. It substitutes for any other symbol to complete a winning line, and three or more of them start the free spins.

Most of that maths stays quiet from spin to spin. The bonus round changes the mood of a session in a way the base game cannot.

The Free Spins Round Decides Everything

Three Book symbols anywhere on the reels earn you 10 free spins. Before the round opens, Play'n GO picks one symbol at random to become an expanding symbol.

When that symbol lands during the round, it stretches across the full reel and pays on any position rather than adjacent reels. If Anubis gets the nod, a single Anubis on every reel pays like a full line of five. If a card rank gets picked, the bonus does far less work.

Two scatters during the round add 10 more spins to the counter. Retriggers stack, so a run can stretch well past the original ten and the expanding symbol keeps working through every extra spin.

Free spins run on the same reels as the base game, and the expansion applies to all ten lines.

A gamble feature follows any win. You call a card colour to double the money or a suit to quadruple it. Call wrong and the win disappears. Many UK operators switch the feature off, so check the game before you count on it.

How the Expanding Symbol Pays

The maths behind the expansion deserves a second look. On a normal spin, a symbol pays when two or more land next to each other from the leftmost reel. Inside free spins, an expanded symbol pays from any reel.

That rule change works in your favour on the top symbols. Five Rich Wildes on a line pays the headline figure, and the expanding round turns that from a lottery ticket into a realistic target. Sessions that produce 5,000x arrive through this route rather than the base game.

Land a high-paying symbol as the expansion, watch a couple of good reels line up, and a balance that looked doomed twenty spins earlier recovers.

RTP and Volatility in Real Sessions

An RTP of 96.21% means the slot returns about £96.21 for every £100 staked across millions of spins. That figure describes the machine over the long run and tells you nothing about the next twenty minutes.

Book of Dead runs hot on variance. Most spins return nothing, small wins arrive often enough to keep you spinning, and you collect most of your profit inside the free spins round. Chase that round on a shrinking balance and you run out of spins before it lands.

What the Numbers Mean for Your Stake

Variance matters more than any other setting when you pick a stake. Learning how pairing RTP with volatility changes a session takes a few minutes and saves a lot of frustration later, since two slots with identical payout figures can feel nothing alike.

Compare the 96.21% figure with a low-volatility slot and the trade becomes clear. You accept longer dry spells in exchange for a bonus round that can multiply a stake by thousands.

The 96.21% figure earns its keep when you compare games side by side, because reading a slot's payout percentage gives you a fairer benchmark than the theme, the artwork or the size of the welcome offer.

Stake Size, Bankroll and Limits

Stakes run from £0.10 to £100 a spin at most UK sites. Work out how many spins your balance covers before you start. A £100 balance on £1 spins buys 100 attempts at the bonus round, and high variance can swallow that without a single decent hit.

Set a deposit limit inside your account before your first spin. Deposit limits, session reminders and time-outs come free from any UKGC-licensed operator. If the game stops being entertainment, GamStop excludes you from every licensed site in the country, and BeGambleAware funds support and counselling for anyone who needs it.

Money reaches your balance through a debit card, PayPal, Apple Pay, Google Pay or an open banking transfer with Trustly. Credit cards stopped working for UK gambling deposits in April 2020, so leave them in your wallet.

Spin speed matters on a slot like this. The Gambling Commission banned autoplay on UK-licensed games in 2021, which means every spin needs a click of the button. A slower pace gives you time to notice a balance draining.

Picking a Site and Getting to the Game

Book of Dead sits in the lobby of most UKGC-licensed casinos. The licence matters more than the welcome offer. An operator holding one follows UK rules on game fairness, keeps player funds separate from company money and answers complaints through an approved ADR service.

If you already hold an account, your Godz Casino Login takes a few seconds and you reach the game in one click from the lobby. Run the demo first if you want to watch the bonus round before you stake real money.

Check the paytable inside the slot before you stake anything. Play'n GO lists the RTP and the symbol values behind a menu icon, and those numbers decide your returns.

The demo runs on the same maths as the paid version. Ten minutes with it shows you how long the dry spells last, which matters more here than on most slots.

The Verdict

Ten paylines and a single bonus round sound like thin foundations for a slot that has held its place since 2016. The free spins round explains it. One expanding symbol on the right day turns a session around in a way that a hundred small base-game wins cannot match.

If you want steady, frequent returns, look at a low-variance game instead. Anyone who wants one round to change the picture keeps coming back to Rich Wilde's tomb, and that patience pays off over a long session.