Return to player
95.53%
Min bet size
0.20
Game type
Video Slots
Variance
Low
Reels
5
Progressive Jackpot
No
Popularity
Max bet size
200
Game provider
Booming Games
Bonus Features
Yes
Paylines
20
Theme
Dinosaurs
Spinosaurus online slot game
The Spinosaurus online slot game celebrates the existence of one of the lesser glamorised dinosaurs - the Spinosaurus. You will be taken back to life before mankind where free spins, multiple wilds on the reels, and upgraded symbols could land you mega wins.
Theme and Story Line
Enter an exciting world full of dinosaurs roaming the reels in this volcanic slot game that will take you on an adventure through forests, plains, and swamps all depicting the natural habitat as well as foes of the Spinosaurus.
Graphics, Sounds, and Animations
Booming Games has brought to the reels one of its best designs yet. Mobile and desktop players will be able to spin reels full of symbols that use photo images of dinosaurs such as the much-feared T-Rex and Velociraptor, plus fossilised dinosaur footprints. Spinosaurus also uses light animated effects for symbols wins and feature triggers. Then there is an adventurous and familiar Jurassic Park style theme tune and sound effects for reel spins as well as combination wins. However, there are no roaring dinosaurs or background sounds of wildlife.
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Gameplay
Spinosaurus is a 5-reel slot that uses 3 rows for symbols on each reel and 20 pay lines for symbol combination wins. There is a wild symbol which is a ‘Pterodactyl Egg’, and this can appear up to 15 times on the reels. Additional wins will come from symbol upgrades, scatters for free spins, and regular symbol combinations that are split into major and minor groups.
Major symbols are the Spinosaurus, Tyrannosaurus Rex, Velociraptor, and Triceratops each of which pays 50x, 40x, 30x, or 20x the spin bet for 5 on a pay line. All payout when 5, 4, or 3 combine on a pay line. These payouts are very generous for symbols combination wins!
Minor symbols are fossilised footprints of each of the aforementioned dinosaurs which you can just about figure out which footprint matches which dinosaur. These payout between 6.25x and 0.5x the spin bet when 5, 4, or 3 hit a pay line. Out of a possible 24 combinations, 19 pay an amount in excess of your spin bet, 2 combinations pay an equal amount to your spin bet, and only 3 pay back an amount less than your spin bet.
The wild symbol, which is the ‘Pterodactyl Egg’ can substitute for any of the 4 major or 4 minor symbols but is not used in the symbol upgrade feature and it cannot substitute as a wildcard for the scatter symbol.
For more information, open the paytable where you will find the game rules on one tab and paytable on the other tab. Click on the ‘ ’ sign for ‘Bet Max’, auto-spins, lightning spins, and sound controls.
Bonuses and Free Spins
Free Spins: Land 3 volcano scatter symbols on reels 1, 3, and 5 in exchange for 8-12 free spins. Each scatter symbol has a number written in it which will indicate how many free spins you will win. When only 2 scatter symbols land on the reels, they will become wild symbols. The only downside to this bonus is that free spins cannot be re-triggered.
Symbol Upgrade: When this feature activates at random, it will transform between 0 and 10 minor symbols into 1 of the major symbols. However, beware because this feature can trigger, and 0 symbols are upgraded as the slot teases you!
Pterodactyl Egg Wild Feature: Anytime during the base game or free spins game the ‘Pterodactyl Egg’ wild symbol can drop onto the reels between 0 and 15 times. If 15 land on the reels, you will win 125x your spin bet.
Bet sizes, RTP and Variance
Min-max bets are set using the ‘BET’ -/ option or coins button. You can bet a minimum of 20.00 per spin and a maximum of 200.00. The Spinosaurus slot’s RTP is 95.53% which is about half a percent lower than the average, and the gameplay is rated as low variance which is accurate. The hit rate in the base game is about 1 every 5 spins on average, and combinations tend to cover your spin bet thanks to high paying symbols. For big wins, the free spins game is the key as you will accumulate wins for free with one big final payout when the bonus ends.
Conclusion
The Spinosaurus online slot developed by Booming Games is an exciting Dinosaur themed game with scatters, free spins, and wilds. Slot players will be impressed with the high payout values the symbols combinations offer. It is impressive to see that only 3 combinations pay less than the spin bet. There is nothing unusual or innovative about the gameplay itself as we have all seen these features before, but it is perfect for newbies and those looking for an easy to play mobile slot game with great graphics that are not hardware intensive.
James is a casino games expert on the Playcasino.com editorial team. With many years of professional experience at a leading casino game development company and a passion for playing casino games, James has become a true expert in slots, blackjack, roulette, baccarat, and other games.
James uses this expertise to provide reliable, insider advice through his reviews and guides, breaking down the game rules and offering tips to help you win more often. Rely on James's extensive experience for expert advice on your casino play.
