Volts and Bolts Slot

Light & Wonder
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  • Slot Features
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Software Light & Wonder
Reels 7
Paylines 100
Bet Range 0.1 - 10
RTP 95
Free Spins Yes
Jackpot 20x your stake

If there’s one thing humanity is afraid of it’s a mad scientist like Dr. Frankenstein who brings back the dead. With the Volts and Bolts slot from WMS you’ll get up close and personal with a mad scientist but this one is looking to take over the world one electrifying jackpot win at a time. It’s a beautiful slot with a fun theme and offers heaps of bonus features as well as a chance to take home up to 5,000 times your bet in jackpot wins. 

Review of Volts and Bolts

Volts and Bolts is a beautiful 5 reels and 50 paylines video slot powered by software developer WMS. The game has an electrifying theme, with a mad scientist taking centre stage to mix up a few great wins just for you. The game breaks away from the normal and plays around with the strange to give you something a bit more edgy to take part in.

Volts and Bolts can be played on all desktop, tablet and mobile devices from anywhere at any time. It’s perfect for players of all expertise levels as the game rules are simple and quick to grasp. You can play the game from as little as 0.50 per spin to a maximum of 45 coins per spin. It’s a more medium-range slot in terms of coin variance but it does come with plenty of big winning opportunities.

The game itself is considered to be of medium volatility which means winnings won’t appear too frequently but enough to keep things balanced. The wins will also be more efficient and rewarding so you won’t feel too bad when you haven’t had a rewarding spin just yet. The game has a return to player percentage of 95.63% which is quite average as there are definitely slots out there with a higher RTP.

Volts and Bolts is an interesting video slot that brings you tons of strange elements and electrifying wins. You could land a big win of up to 5,000 times your bet with the in-game jackpot. It is certainly a slot that can be considered a triple threat with amazing graphics, fun bonus features and rewarding spins.

If you’ve played the slot or you’re just not in the mood for a slot that seems impossible to trigger big wins from, then you might want to opt for something else. In Volts and Bolts, winnings will come, but you might have to wait, and if that’s not something you are willing to do, you might want to try something different, like The Mask from NextGen Gaming

Theme & Design

In terms of the theme and design, WMS has done a great job taking something familiar and incorporating it into the slot world. The game plays with the idea of a mad scientist using shock therapy and his own concoctions to create monsters or strange creatures from leftover body parts.

Only this crazy scientist isn’t afraid of adding a few robotic parts while keeping the human brain. The possibilities for this crazy scientist are endless and once you load the game, you’ll be hooked.

The backdrop of the slot is a dark and gloomy laboratory with the shelves on the cabinet in the middle of the room being the reels. It’s an interesting little twist as the symbols appear to be random items placed on the shelves. On the reels, you will find your standard card playing values as the lower valued symbols.

Then the higher value symbols are all the interesting things needed to make the experiment work, such as the game logo, a human brain, an electric meter, a spanner and the scientist’s notebook. The soundtrack works perfectly with the slot but can be muted if you wish to continue experimenting in silence. 

Bonus features and Gameplay

In terms of bonus features and special symbols, Volts and Bolts has plenty to look forward to. The slot's wild is the battery, and it substitutes for all other symbols on the reels. The great thing about this slot is that the wild pops up on the reels frequently.

To trigger the free spins feature, you will need to land three or more scientist scatter symbols anywhere on the reels. You will be awarded 12 free spins that can be retriggered. In this free spins bonus feature the middle reel will consist of only wild symbols or scientists.

The main focus of the slot is the Robot Bonus Spins which can only be triggered when you land six or more Robot scatter symbols. You will be awarded 5 free spins, during which you want to connect as many robots as possible to increase your prize winnings. If you have four connecting robots you can score 20x your bet, 6 robots get you up to 40x your bet, 8 get you up to 80x your bet and 9 get you up to 100x your bet. If you manage to link 10 robots, you will win up to 150x your bet, 12 will get you up to 250x your bet, and 15 gets you up to 750x your bet. 

The best part is that you can either trigger the multiplier win or one of the four possible jackpot amounts. If you trigger the Mini, Minor, Major or Grand Jackpot, you can take home up to 5,000 times your bet.


Volts and Bolts is a highly entertaining slot with an interesting theme and thrilling bonus features. Winnings don’t come around too frequently, but the beautiful slot design will keep you hooked until a win falls into place.

The main feature of the slot is the Robot Spins and these are what you’re looking for. Not only can you grab a few wins from the free spins but you’ll also have the chance to take home one of four jackpots. After a single Robot Spins bonus feature you could bank up to 5,000 times your stake. 

Volts and Bolts is definitely a slot you should try and you can do so at any of the top-rated WMS online casinos.

Mike Lorente
Mike Lorente verified symbol Author
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Mike has worked as a freelance writer, focusing mostly on writing reviews and opinions on online casinos. In these past years, he has come to know in-depth how casinos operate and what to look for when choosing a casino. He is always happy to share new tips and strategies aimed to help you in your gaming journey. Based in Spain, Mike is a specialist in casino games and a master when it comes to online slot machines, sharing his strategies and tips on our website.
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Reviewed by Julia Attard, Senior Author