Book of Dino

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  • Great betting range available
  • Lots of winning potential in the free spins
  • Free spins are unlimited
  • RTP is very low
  • Basic bonus features

Book of Dino is an online game from Swintt free play slots

It has 10 paylines and 5 reels with an RTP of 92.25% and a medium variance. The theme has been inspired by dinosaurs, and there are bonus features such as a wild symbol and free spins with a special expanding symbol.

Book of Dino Review Introduction 

Book of Dino from Swintt is inspired by the Book genre of games from this developer, offering a top jackpot of 5000x your total bet. Using a 5x3 reel layout and 10 active paylines, you will want to trigger one of the special features to keep the gameplay exciting. This is a slot with wild feature bonuses and a free spins round with a special symbol to help boost your winnings. Find out more about this game in our review below. 

Overall Theme 

The dinosaur theme is something that is a bit different for Book-style slots, but this one does it pretty well. There are a lot of explorers thrown in there for good measure, which steers it away from that pre-historic vibe. The symbols all match one of the two themes. You can find more dinosaur themed action in the Dinopolis slot

Book of Dino

Book of Dino RTP and Variance

The RTP of Book of Dino is a strange one because the developer allows the casino to change it. The lowest that it can be is 92.25%, with the highest value being 95.24%. Even the highest one is below average, so it’s not a great number for online players. Check the RTP because Swintt have provided different ones, which means your casino could be using the lower RTP, which is even worse than the one we’ve provided here. The variance is medium, so it pays out relatively, well with both high and low wins. 

How to Play Book of Dino 

If you would like to learn how this game works and play it for free here on our website, find out how to do so below. 

  1. Start by setting your bets using the blue control panel at the bottom of the screen. The plus and minus buttons allow you to adjust your bet value. 
  2. The green spin button is to the right of the screen and will spin the reels once for your chosen bet amount. 
  3. Underneath this is the autospin button, where you can set the reels spinning on their own without having to click. 
  4. The buy feature can be accessed using the button on the left side of the screen. This will charge you a certain number of coins to immediately trigger the free spins mode. 
  5. Use the speaker button in the bottom left corner to toggle the sounds and music for the game. 
  6. The hamburger menu sits next to this, where you can view the paytable and other game information for the slot. 

Bet Sizes & Paytable Wins

One of the plus points for Book of Dino is that the betting range is good and has a lot of room in there for bets of all sizes. The minimum amount you can bet on the reels is 0.1 coins. For every spin, the most you can spend on the reels is 100 coins

Landing the game symbols in lines of 3, 4 and 5 will get you a win from these reels. They have to land starting from the left and going to the right, and only one win can be made on each payline. Below we have detailed the maximum prize amount available for landing 5 of each symbol group on the reels. 

10, J & Q - 10x multiplier 

K & A - 15x multiplier 

Gun & Binoculars - 75x multiplier 

Dinosaur & Wild/Scatter - 200x multiplier 

Explorer - 500x multiplier 

Book of Dino Bonus Features

Wild Symbol 

The wild symbol acts as both the wild and the scatter in Book of Dino, so it’s an integral part of the bonus rounds. It can be used to substitute for all of the other symbols whenever it lands, which could lead to more wins. Because it triggers the free spins feature, it’s not a symbol you should expect to land often, and it won’t land more than once on any reel. 

Free Spins 

You want to get the scatter symbol landing on the reels at least 3 times or more to trigger the free spins round. You will get your 200x win if you can land 5, but landing 3 or more will give you 10 free spins. 

When the free spins feature begins, a symbol is chosen at random to be lucky for the round. This means it will become a special expanding symbol when it lands anywhere on the reels. If this symbol lands on 3 or more of the reels, these symbols will pay out, even if they’re not connected in the standard way. 

The free spins round can be retriggered by landing further scatter symbols, and there is no limit on how many times this can happen, making the round very lucrative for players. 


Book of Dino is an interesting game that provides an alternative to your normal book slot themes. Anyone who loves this type of game will end up enjoying this slot, too. The downfall is the fact that the RTP is so low and changeable; it can be easily beaten by competitors. 


Disclaimer: Book of Dino trademark / license is owned by Swintt. This site is not endorsed by Swintt.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Book of Dino
Software: Swintt
RTP: 92.25%
Volatility: Medium volatility
Paylines: 10
Reels: 5
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £100 (GBP)
Top Win: 5000
Features: Wild Symbol, Scatter Symbol, Free Spins, Gamble, Medium volatility, 5 Reels
UK Available in GB? Game is not available in GB.


What is the most I can win from this slot?

The maximum jackpot you can win from Book of Dino is 5000x your total bet, meaning that at the maximum bet at the top prize is 50,000 coins.

What is the lowest RTP for this game?

The lowest we’ve seen it set to is 86.37%, but mostly it’s in the 92% to 95% range.

How many scatters will trigger the free spins?

You have to land 3 or more scatter symbols to get 10 free spins.

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