Book of Truth Slot Review Different Bonus Modes and Additional Features Worth Exploring

Written by:

Last Updated:

An ancient Egyptian tomb is the enigmatic setting for the Book of Truth slot from True Lab. Your mission is to help a bold adventurer uncover the hidden treasures. It was released in 2021 and doesn’t have a progressive jackpot, but there are still some chances to grab big wins as you play, thanks to features like free spins and wilds. Dive into our full Book of Truth slot review to learn all about this game.

The Layout and Features of the Book of Truth Slot Game

The theme here has been covered in many slots from different developers, with ancient Egypt and tomb exploration among the most popular types of slots for many years now. The Book of Truth slot by True Lab doesn’t add many original ideas, but it still carries out the theme very well and is clearly designed.

A couple of statues with glowing eyes and bowls of fire sit on either side of the reels, while the traditional Egyptian images on the symbols have been well-designed. The hero is a rugged explorer with a hat that smiles at us from the screen each time he pops up.

There are 4 high-paying icons and 5 that pay out more modestly, as well as the book of the title, which acts as both a wild and a scatter. The music is an added factor that helps to turn this into an immersive game that transports players to a fun Egyptian experience.

The Classic Ancient Egypt Theme and Graphics

The theme here has been covered in many slots from different developers, with ancient Egypt and tomb exploration among the most popular types of slots for many years now. The Book of Truth slot by True Lab doesn’t add many original ideas, but it still carries out the theme very well and is clearly designed.

A couple of statues with glowing eyes and bowls of fire sit on either side of the reels, while the traditional Egyptian images on the symbols have been well-designed. The hero is a rugged explorer with a hat that smiles at us from the screen each time he pops up.

There are 4 high-paying icons and 5 that pay out more modestly, as well as the book of the title, which acts as both a wild and a scatter. The music is an added factor that helps to turn this into an immersive game that transports players to a fun Egyptian experience.

Name – Book of Truth

Type – Video Slot

Release year – 2021

Supported Platforms:
🖥 💻 📱 📲
Very Good
88%
📦
Provider
True Lab
🎰
Rows
3
🎡
Reels
5
💹
RTP
96.33%
🔄
Free Spins
✕
🔢
Paylines
10
Adjustable paylines:
No
Themes:
Ancient Egypt
Min/Max Bet:
0.1 – 100
Book of Truth

How Can You Play Book of Truth Slot?

There is nothing complicated about the way you can start to play Book of Truth slot machine. Just choose your total stake by moving between the bet levels and numbers of payline at the bottom of the screen.

A minimum of 3 scatters are needed to earn 10 free spins, with 1 symbol chosen to be expanding during them. If you get 5 scatters, the award is upgraded to True Free Spins, where all the paying symbols are expanding. You can also pay to enter these bonus rounds directly by choosing the Book of Truth Bonus Buy option.

✕
Progressive Jackpot
50000
Highest fixed jackpot
✕
Bonus Game
✕
Multiplier
✕
Gamble feature
150000
Max Win
Substitutes for all symbols except Scatter
Wild
✓
Scatter
Medium
Volatility
✓
Mobile
✓
Autospin
✓
Quickspin
Expanding Symbols, True Free Spins, Buy Bonus
Special features
Book of Truth

Start the Book of Truth Demo Game Right Here

The Book of Truth online slot can be sampled on a demo basis by playing it with dummy cash. The link to do so is on this page, and you can start playing without having to download any sort of software at all.

The Real Thrill – Playing Book of Truth Online Slot with Real Money Wagers

Try and win real cash prizes by playing the full game with real stakes. This is best done at a reputable True Lab casino, where you can start playing with a nice welcome bonus after joining.

Disclosure Disclaimer

This page contains affiliate links. This means that at no additional cost to you, we may earn a commission if you make a successful deposit on any of the platforms listed below. All operators featured here are fully licensed and compliant with the regulations in your jurisdiction. Please gamble responsibly.

Casino Rating Welcome Bonus Visit
Slots Magic
Slots Magic
5.0/5
Bonus: 100% up to £25 + 50 free spins
Visit Slots Magic review
#AD, Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £25. Maximum amount of Free Spins is 50. Game: Big Bass Bonanza, Spin Value: £0.10. WR of 10x Bonus amount and 10x Free Spin winnings amount (only Slots count). Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
Casumo
Casumo
4.9/5
Bonus: 50% up to £100
Visit Casumo review
#AD, 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max Bet/Spin £5. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. BeGambleAware.org T&C's Apply
Fun Casino
Fun Casino
4.9/5
Bonus: 100 Cash Spins on Big Bass Splash
Visit Fun Casino review
#AD, New players only | Deposit & wager at least £10 to get free spins | Offer must be activated before depositing | Free Spins winnings are cash | No max cash out | Eligibility is restricted for suspected abuse | Skrill deposits excluded | Free Spins value £0.10 per spin | Free Spins expire in 48 hours | T&C's Apply
All British Casino
All British Casino
4.8/5
Bonus: 100 Cash Spins on Le Bandit+
Visit All British Casino review
#AD, New players only | Deposit & wager at least £10 to get free spins | Offer must be activated before depositing | Free Spins winnings are cash | No max cash out | Eligibility is restricted for suspected abuse | Skrill deposits excluded | Free Spins value £0.10 per spin | Free Spins expire in 48 hours | T&C's Apply
Pub Casino
Pub Casino
4.8/5
Bonus: 50 Cash Spins on Octobeer Fortunes
Visit Pub Casino review
#AD, New players only | Deposit & wager at least £10 to get free spins | Offer must be activated before depositing | Free Spins winnings are cash | No max cash out | Eligibility is restricted for suspected abuse | Skrill deposits excluded | Free Spins value £0.20 per spin | Free Spins expire in 48 hours | T&C's Apply
Grosvenor
Grosvenor
4.7/5
Bonus: 100% up to £40 + 100 free spins
Visit Grosvenor review
#AD, New players. Min Dep £20 (Excl. PayPal & PaySafe). Max Bonus £40 on selected games & 100 Free Spins on Big Bass Splash. Wagering & max win apply. T&Cs apply.
Playzee Casino
Playzee Casino
4.7/5
Bonus: 100% up to £25 + 500 Zee Points
Visit Playzee Casino review
#AD, 18+ New players only. Min deposit £20. Welcome offer is 100% bonus match up to £25. Bonus funds are separate to cash funds and subject to 10x wagering requirement (bonus amount). Only bonus funds count towards wagering contribution. £5 max bonus bet. Bonus funds must be used within 7 days. Affordability checks apply. Terms Apply.
Betfred
Betfred
4.7/5
Bonus: 200 Free Spins
Visit Betfred review
#AD, New customers only. 1+ deposit with Debit Card. Opt in and stake £10+ on Casino slots within 30 days of reg. Max 200 Free Spins. Credited within 48 hours. 7-day expiry. Game restrictions apply. Email/SMS validation may apply. Full T&Cs apply.
Great Britain
Great Britain
4.6/5
Bonus: Win up to 500 free spins on Big Bass Bonanza
Visit Great Britain review
#AD, New players only, £10+ fund, 10x bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), 18+ GambleAware.org. Full T&Cs apply
bet365
bet365
4.6/5
Bonus: 10 days of Free Spins - up to 500 free spins
Visit bet365 review
Min. £10 in lifetime deposits required. Offer must be claimed within 30 days of registering a bet365 account. Select prizes of 5, 10, 20 or 50 Free Spins; 10 selections available within 20 days, 24 hours between each selection. Max. prize, game restrictions, time limits and T&Cs apply. Registration required. Please gamble responsibly | GambleAware.org
10bet
10bet
4.6/5
Bonus: 100% up to £25
Visit 10bet review
#AD, Choose bonus at sign-up. Wager bonus 10x within 3 days. Max bonus winnings: £1,000. Bonus not redeemable. Game, payment limits & T&Cs apply. 18+
Swift Casino
Swift Casino
4.5/5
Bonus: 100% up to £25 + 100 free spins
Visit Swift Casino review
#AD, Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10, max. Bonus £25. Maximum amount of Free Spins is 100. Game: Book of Dead, Spin Value: 0.10. WR of 10x Bonus amount and Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonus Policy applies.
PlayJango
PlayJango
4.5/5
Bonus: 100% up to £25 + 25 FS
Visit PlayJango review
#AD, Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £25. Maximum amount of Free Spins is 25. Game: Book of Dead, Spin Value: £0.10. WR of 10x Bonus amount and 10x Free Spin winnings amount (only Slots count). Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
betway
betway
4.5/5
Bonus: 100% up to £50
Visit betway review
#AD, New UK customers only. 100% Match Bonus up to £50 on 1st deposit of £10+. 10x wagering & game weighting applies. Debit Card deposits only (exclusions apply). This offer is valid for 7 days from your new account being registered. 18+. GambleAware.org. Bet The Responsible Way. Full Terms Apply
BetMGM
BetMGM
4.4/5
Bonus: 200 Free Spins on Big Bass Splash
Visit Coming soon
#AD, New customers: Deposit £10+ and wager 1x on casino games (wagering contributions vary) within 7 days from registration. Get 200 Free Spins on Big Bass Splash (worth 10p each), valid 3 days, no wagering on winnings. Opt-in required. 18+. T&Cs apply.
888casino
888casino
4.4/5
Bonus: 100% up to £100
Visit Coming soon
#AD, New 888casino UK customers (GBP accounts only). Make first-time deposit of £10 +, stake it on selected Slots within 48 hours to get 100% bonus equal to your deposit, up to £100. Claim bonus via pop-up/My Account within 48 hours of deposit. Bonus must be wagered 10x on selected Slots within 5 days of credit. Wagering can only be completed using bonus funds (and only once main cash balance is £0). Winnings capped at £100. One per player. Ends 23:59:59 (UK time) on 31.12.26. Full Ts&Cs apply.
PartyCasino
PartyCasino
4.3/5
Bonus: 200 Free Spins
Visit PartyCasino review
#AD, 18+. New Customers only. From 22.07.2026. Min Deposit required within 30 days of account registration. (certain deposit types excluded). Bet £10 on selected Slot games & get 200 Free Spins (£0.10 each, valid 7 days, selected games) Max 1 per player Restrictions & T&Cs apply.
Bally Casino
Bally Casino
4.3/5
Bonus: 30 Free Spins
Visit Bally Casino review
#AD, Opt in to this promotion by selecting the Free Spins offer before making your first deposit. Make a first deposit of at least £10 and wager at least £10 in cash on any slot game(s). You have 30 days from when you make your first deposit to complete the remaining Qualifying Requirements and 30 days after that to play any Free Spins before they expire. Free Spins have no wagering requirements and there is no cash alternative to Free Spins. T&Cs apply.
LuckyMate
LuckyMate
4.2/5
Bonus: 50 Free Spins (Code: MATE50)
Visit Coming soon
#AD, £10 MIN DEPOSIT | £10 IN SLOT BETS GRANT 50 SPINS ON BIG BASS SPLASH | £5 TOTAL SPIN VALUE | £0.10 PER SPIN | X1 WAGERING | £1 MAX CONTRIBUTION TO WAGERING | £100 MAX CASHOUT FROM WINNINGS | BONUS SPIN WINNINGS PLAYABLE ON ANY SLOT AND SCRATCH GAME, EXCEPT BONUS-RESTRICTED GAMES | 7-DAY EXPIRY | SELECTED PAYMENT METHODS ONLY | T&CS APPLY
Coral Casino
Coral Casino
4.1/5
Bonus: 100 Free Spins
Visit Coral Casino review
#AD, 18+. Available from 12:00 UK time, 01/10/2026 until 11:59 UK time 01/02/27. New players only. Deposit (certain types excluded) and Bet £10+ on Slot games to get 100 Free Spins (selected games, value £0.10 each, 48 hrs to accept, valid for 7 days). Restrictions and T&Cs apply.
Midnite Casino
Midnite Casino
4.0/5
Bonus: 100 Free Spins (Code: BETGETCASINO)
Visit Coming soon
#AD, New Midnite customers (18+) get 100 free spins (10p each) on Big Bass Splash after registering with code BETGETCASINO (UK) and depositing and wagering £20 on selected slot games (7-day spin expiry). T&Cs apply.
Betfair
Betfair
3.9/5
Bonus: 100% up to 50 Free Spins No Deposit (Code: CASF51)
Visit Coming soon
#AD, Winnings paid in cash. Free spins valued at 10p. Get an additional 50 free spins when you deposit and spend £10 on eligible games. Deposits made with e-wallets and Applepay are not valid for this offer. Full T&Cs apply.
Gala Casino
Gala Casino
3.8/5
Bonus: Up to £50 in Cash Rewards
Visit Coming soon
#AD, 18+. From 01/05/2026 until 25/10/2026. Spend £20+ on Slots (excluding Slingo & all live games) daily for a spin of the Rewards Wheel. Rewards: min £0.50, max £50 Cash. Restrictions and T&Cs apply.
Ladbrokes
Ladbrokes
3.7/5
Bonus: 100 Free Spins and 300 LadBucks
Visit Coming soon
#AD, 18+. 01/09/26 - 01/12/26. New Casino players. Deposit (certain types excluded) + spend £10+ on Slot games & get 100 Free Spins (selected games, value £0.10 each, 48 hrs to accept, valid 7 days) + 300 LadBucks (they expire). Restrictions & T&Cs apply.
Admiral Casino
Admiral Casino
3.6/5
Bonus: 100 Free Spins
Visit Coming soon
#AD, 18+. On first deposit (Min £10) you will receive 50 Free Spins on Feel the Flutter & 50 Free Spins on Sizzling Hot Deluxe. x1 wagering applies, game contributions vary. 3-day expiry on active rewards. Deposit Method Restrictions. T&Cs apply
Rainbow Riches Casino
Rainbow Riches Casino
3.5/5
Bonus: 30 Free Spins on Rainbow Riches Pick N Mix
Visit Rainbow Riches Casino review
#AD, New members get 30 free spins (1p coin size, 10 lines) on Rainbow Riches Pick N Mix after opting in before making a first deposit of at least £10 and wagering £10 cash on any slot(s) within 30 days (spins expire after 30 days, no wagering requirements on winnings). T&Cs apply.
666 casino
666 casino
3.4/5
Bonus: 20 Free Spins on Big Bass Splash
Visit Coming soon
#AD, 18+ new players only. First deposit offer: Deposit & wager £20 on Big Bass Splash for 20 spins. Wagering must be completed within 7 days of deposit. Spins awarded on Big Bass Splash. 0x wagering on winnings. www.begambleaware.org Full T&Cs apply.
Mega Casino
Mega Casino
3.3/5
Bonus: 100% up to £25 + 50 FS
Visit Coming soon
#AD, Automatically credited upon 1st Deposit (min £10). Max Bonus £25. Game: Big Bass Bonanza, Spin Value: £0.1. WR 10x Bonus (only Slots count). WR 10x free spin winnings (only Slots count). Max bet is 10% (min £0.10) of the free spin winnings and bonus or £5 (lowest applies). Bonus Policy applies.
William Hill
William Hill
3.2/5
Bonus: 200 Free Spins on Big Bass Splash (Code: WHV200)
Visit William Hill review
#AD, Ends 31/12/26. New UK customers only. Register with code WHV200, opt in via promo page and within 7 days deposit £10+ & stake £10+ from main balance on the advertised game to receive 200 Free Spins (10p each). Free Spins expire 72 hours from credit. Free Spins winnings must be wagered 10x on the advertised game within the same period. Winnings capped at £30. 1 per person. T&Cs apply.
Sky Casino
Sky Casino
3.1/5
Bonus: 100 Free Spins on Age Of The Gods games
Visit Coming soon
#AD, New customers only. Opt in required. 30 day Free Spin expiry. Free spins on any of the eligible Age Of The Gods games. Min £10 deposit & staking requirement applies. Games and eligibility restrictions apply. There are no wagering requirements attached to any winnings from the free spins. Further T&Cs apply.
PlayOJO
PlayOJO
3.0/5
Bonus: 50 Free Spins on Big Bonanza slot
Visit Coming soon
#AD, First deposit only. 50 Free Spins on Big Bass Bonanza slot. Free Spin valued at £0.10. Excludes players in N.I. Irregular play may lead to removal of rewards. OJO’s Rewards and Game Play policy applies.
777 Casino
777 Casino
3.0/5
Bonus: 100% up to £20
Visit Coming soon
#AD, Make first-time deposit of £10+, stake it on selected Slots within 48 hours to get 100% bonus equal to your deposit, up to £20. Claim bonus via pop-up/My Account within 48 hours of deposit. Bonus must be wagered 10x on selected Slots within 5 days of credit. Wagering can only be completed using bonus funds (and only once main cash balance is £0). Winnings capped at £20. One per player. Ends 23:59:59 (UK time) on 31.12.26. Full T&Cs apply
*T&C apply, 18+.

Different Levels of Payouts

With a Book of Truth slot RTP of 96.33% and volatility set to medium, this is the sort of game where you will expect to win fairly regularly. The Book of Truth free spins are where you can get the biggest wins of all. Expanding symbols help to keep the action rolling and the wins building up more easily.

Book of Truth Payout Table - symbol 10

2 Symbols – 0

3 Symbols – 50

4 Symbols – 250

Book of Truth Payout Table - symbol Jack

2 Symbols – 0

3 Symbols – 50

4 Symbols – 250

Book of Truth Payout Table - symbol Queen

2 Symbols – 0

3 Symbols – 50

4 Symbols – 250

Book of Truth Payout Table - symbol King

2 Symbols – 0

3 Symbols – 50

4 Symbols – 400

Book of Truth Payout Table - symbol Ace

2 Symbols – 0

3 Symbols – 50

4 Symbols – 400

Book of Truth Payout Table - symbol Anubis

2 Symbols – 50

3 Symbols – 300

4 Symbols – 1000

Book of Truth Payout Table - symbol Bastet

2 Symbols – 50

3 Symbols – 300

4 Symbols – 1000

Book of Truth Payout Table - symbol Horus

2 Symbols – 50

3 Symbols – 400

4 Symbols – 4000

Book of Truth Payout Table - symbol Archaeologist

2 Symbols – 100

3 Symbols – 1000

4 Symbols – 10000

Book of Truth Payout Table - symbol Wild

2 Symbols – 100

3 Symbols – 1000

4 Symbols – 10000

Start Easy with Our Playing Tips

The big decision to make here is whether to buy your way into the free spins round. This costs a fairly high amount, but it provides you with the possibility of winning the slot’s biggest prizes without waiting too long for it.

If you want to keep your bankroll intact for as long as possible, you may prefer to stick to low stakes and hope to play your way into the free spins bonus by collecting the scatter symbols that you need to trigger free spins.

If you like the Egyptian theme when you play Book of Truth slot spins, you might also like to try the Eye of Horus game by Merkur, where free spins and an expanding image of the God Horus help to make it an exciting game. Another Egyptian-based slot is called Valley of the Gods by Yggdrasil. This is a slot that takes you on a trip through the Egyptian culture, with various deities helping you along the way.

Other Slot Games to Explore

Power of Gods™: Hades
221b Baker Street
Wolf Hunters
Power of Gods™: Hades in-game

Name: "Power of Gods™: Hades"

Software: Wazdan Software

Rows: 3

Reels: 5

Paylines: 243

Theme: Greek Mythology

RTP: 96.14%

▶ Autospin ▣ Mobile ★ Bonus Game
221b Baker Street in-game

Name: "221b Baker Street"

Software: Merkur Gaming  Software

Rows: 3

Reels: 5

Paylines: 20 adjustable

Theme: Mystery/Detective

RTP: 96%

▶ Autospin ▣ Mobile ★ Bonus Game
Wolf Hunters in-game

Name: "Wolf Hunters"

Software: Yggdrasil Software

Rows: 3

Reels: 5

Paylines: 20

Theme: Fantasy / Myths & Legends

RTP: 96.3%

▶ Autospin ▣ Mobile ★ Bonus Game
Book of Truth video slot mobile play

A Slot You Can Play Wherever You Are

Give the Book of Truth slot machine from True Lab a try on your chosen mobile device for a similar experience to the one you get on the desktop game. The big, clear graphics look just fine on a smartphone screen, and you can follow the action very easily at all times.

A Must Try Game from True Lab

With this Book of Truth slot review, we have discovered a slick game that covers a classic theme in a fresh way. The free spins round is the highlight, and the fact that there are a couple of versions of the free spins round makes it even better. You might choose to pay for some free spins but playing the base game and trying to win some spins in this way is just as interesting.