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[GAME PROMO + MERCH] Book Of Power (Relax Gaming x CasinoGrounds)

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Play Book Of Power slot by Relax Gaming & CasinoGrounds on any of the casinos listed here and submit your big win (screenshot or video) in this topic and win Amazon Vouchers!*


20 x €100 Amazon Vouchers

1. Minimum of 30x win
2. Feedback on the game + what casino you played on
3. Must be played on casinos listed here and posted within promotional period on the forum (please verify game is present on the casino you decided to play on)


MrQ - Existing players - Deposit £15+ Using the code "POWER" to win a share of 25,000 Free Spins*
*Terms & Conditions:
- This promotion runs from 00:00 08/03/2023 - 23:59 15/03/2023.
- In order to qualify players must wager a minimum of £15 on Book of Power.
- 25,000 Free Spins on Book of Power and will be divided by the number of players that qualify and then credited to qualifying players.
- Free Spins value: 10p.
- Free Spins are valid for 24 hours from claim.
- Free Spins will be credited by midday on 16/03/2023.
- No wagering requirements on the free spins
- General T&Cs apply

MrQ - New Players (choose from below)

Spend 10 get 30 Spins with code "POWER30" - CLAIM/SIGN UP
First deposit only. Min deposit & spend £10. Max 30 spins on Book of Power at 10p per spin. Spins credited upon spend of £10. No wagering requirements on the free spins. Full T&Cs apply.

Spend 20 get 75 Spins with code "POWER75" - CLAIM/SIGN UP
First deposit only. Min deposit & spend £20. Max 75 spins on Book of Power at 10p per spin. Spins credited upon spend of £10. No wagering requirements on the free spins. Full T&Cs apply.

25 x Book Of Power merchandise (enter in widget below)

Book Of Power Merchandise

*Terms & conditions:
- Promotional period - 08/03/2023 - 15/03/2023 23:59 CET
- This Promotion is organized by CasinoGrounds.
- You will need a verified player account at the casino you submitted the win from.
- Prize draw will take place 16/03/2023 and winners will be credited latest by 22/03/2023, given that all will provide information needed and that their entries are verified. 
- Amazon vouchers can not be claimed in Amazon India
- One prize per person.
- Only real money screenshots/videos accepted as entry (bonus money is allowed if you claimed a bonus).
- Winner(s) must respond within 1 month period from contacting. If not, the prize and the right to claim will be forfeited.
- This promotion is subject to change at any time.
- 18+, GamblingTherapy.org


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233x (166x with power bet) at Leo

I think this is the best CG/Relax combo yet. It basically takes what is good about book games and turns it up to 11. I personally probably won't play it much as I don't seek high volatility but for people who do this game is a real tour de force. Bravo CasinoGrounds, 2023 game of the year!

Edited by IguanaBob
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Played on Leovegas with the extra bet payout was 300x


I participated in the tournament campaign and for me it took more than 1000 spins for a 50x bonus, all but one session returned under 30% rtp in tournament coins. Against my better judgement, decided to run one bullet (and probably the last one) and this win doubled the start.

Although the win is okay, the set-up was great, triggering a superbonus into retriggers for a total of 30 spins and a red book with them jävla deadspins. For my liking much too volatile plus losing all gambles prior to triggering the superbonus with a red book. After watching Kim, I doubt it's really 50%. For a slot this volatile providing the option to gamble free spins is rather nasty.

An annoying element is the visual "riggedness" of double same symbols on reels, it could have been done a bit differently, book of dead and doa2 use at least symbol 10 and double symbol on just one reel for a "blocker".

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An annoying element is the visual "riggedness" of double same symbols on reels, it could have been done a bit differently, book of dead and doa2 use at least symbol 10 and double symbol on just one reel for a "blocker".

@gubbenscfThis doesn't sound right, you mean that you got I.E two tens in the same reel strip? If you have a screenshot that would be very helpful.

Thanks for all comments guys, we appreciate honest feedback and obviously fun that so many enjoys it (even if it's brutal). :) 

All the best,

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Got myself an 100x and 65x on the bonus! Gambled one and got lucky. I played on MrQ.

I really like this slot, compared to other book games this seems to have more. I like the volatility and would love to see someone hit a max win as it’s definitely got potential! The 2 books for a re trigger is good as a player it feels more likely to get the re trigger.

Good work on the slot guys and hopefully you get that max win soon! Ding Ding!



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128.5x LeoVegas (10p base/20p ENH bet)

Overall look and feel of the game is brilliant, small details such as the top symbol looking towards the scatters shows the detail put into the game.

Started with £40 deposit, managed 3 bonuses (2 Power bonuses and 1 normal, gambled that successfully). This however was the biggest win, with not a single red book seen. I'm not too sure what the likelihood of getting the locking reels is, but shame not to see them.

Deposit eventually run out, may come back to this in the future to get some red book action.




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Played on Betcity.nl - It is refreshing to see a new take on the book mechanics! Using the retrigger to add multipliers is a really nice touch. First bonus got lost on the gamble, second bonus i got the power book but i had 10 dead spins (not sure what the power feature is then..). Third bonus i took the normal one and had a decent hit. THe game runs at a smooth pace and good visuals. For a book release, very good job!



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111.5x on playgrand.com

Got the bonus in like first four spins which was cool, another great job by you guys, seems it has a lot of potential, will try to hunt for a mega ding ding on this one hahah:D Also the gamble feature is bussin, another great thing about it. Keep it up with good work!

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Edited by Luknis
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Lovely 500x in the base game at Duxcasino, unfortunately i lost the gamble for power free spins, i like this game it's probably my favourite book game but be careful with your balance as this game can eat  

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Edited by 1Bust
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33,5x at wheelz 
got bonus last spin, 2 bad it didint pay that good, cant rly yet say what i think about slot, by far it only seems to be another book game whit few extra steps. 2x for the bonus bet feels bit high esp when i usually like to play book games whit 5 or below lines so the base game wins are just bit too small for my likings
need to have another bash on it soon!


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I hope this counts - 46x on the base bet (23x if you include the bonus bet)

Played on LeoVegas

I'm not a huge fan of Book games generally, so was never going to love this to be fair. It was as brutal as promised and when I finally got a bonus, the Power spins, it yielded a very stingy 46x, disappointing. I must add that the free spins played out extremely quickly, I would have preferred a little slower as it was all over in a flash.BookofPowerComp.thumb.png.cf894525edbfa98b2551b448e4869f31.png

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