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Nikola Tesla’s Incredible Machine

Yggdrasil Gaming
RTP 96.2%
Play Yggdrasil Gaming Slots
Reels 5
Paylines 25
Min bet size 0.25
Max bet size 75
RTP 96.5
Wild symbols Yes
Free spins Yes
Bonus Yes
Jackpot No

Nikola Tesla’s Incredible Machine Slot Review

Released September 2019

The Nikola Tesla’s Incredible Machine slots game is produced by Yggdrasil Gaming. Yggdrasil Gaming take their name from Norse mythology where Yggdrasil is a magical tree where dragons lived and Odin sacrificed himself. Yggdrasil Gaming are one of the smaller slot development companies on the market at the moment – primarily focusing on lottery and scratch card game – and do not offer a full casino platform. They lease their games out to casinos using other platforms as a bolt on package. Yggdrasil Gaming publish the Return to Player/House Edge of their slots games within the game help file. The House Edge of Nikola Tesla’s Incredible Machine is 3.8%.

Nikola Tesla’s Incredible Machine is a 5 reel game that is 3 symbols high. The game has traditional paylines, using a total of 25, playing from left to right.

Special Symbols

Wild – The “Nikolas Tesla” symbol is the Wild symbol. Wilds will substitute for all symbols other than Free Spins and Level Up symbols. The Wild symbol holds no individual value until you form 5 over a single payline, at which point they become the most valuable symbol in this game.

Free Spins – 3 or more Free Spins symbols on the reels after a single spin will trigger the feature.

Bonus Features

Free Spins – 3, 4 or 5 Free Spins symbols will award 8, 10 or 12 Free Spins respectively. During the feature wins run from left to right and from right to left. Before the spins begin two Wild symbols will be placed on reels 2 and 3, on the middle row. When the reels start to spin there is a chance that a “Level Up” symbol might appear on reels 1 or 5. If this happens a Wild symbol will be placed on reels 2-4, adjacent to the initial fixed Wild.

Energy Burst Feature – The Energy Burst Feature is triggered when you land 3 identical symbols on the 3rd reel. When this happens, one out of three possible Bonus features will be triggered at random and will happen during a set of Bonus spins. If the symbol that forms in the middle reel is a low paying one then you will be given 3 bonus spins. If the symbol is high paying, then you will be given 5 bonus spins.

Energy Burst 1 – Exploding Wild – Before this feature begins 2-3 symbols will be chosen at random and changed into fixed Wilds that will remain in place for the duration of the bonus spins.

Energy Burst 2 – Wild Substitution – Before the spins begin a symbol will be chosen at random and any time it lands on the reels it will turn into a Wild symbol. The only symbols that this applies to are the “Ace”, “Capacitor” or the “Goggles” symbols.

Energy Burst 3 – Reel Clone – Before the spins begin 3 reels will be chosen at random to synch up. That means that all three reels will be filled in exactly the same way for the duration of the spins.


Nikola Tesla’s Incredible Machine is the first collaboration between Yggdrasil and Rabcat. I was not impressed with Yggdrasil’s last collaboration but have to admit that this is a vast improvement. Rabcat have worked with the likes of Tom Horn Gaming and MicroGaming in the past and produced good slots in the process. I would argue that Sherlock of Bohemia is easily the best slot in Tom Horn’s entire back-catalogue, and because of this I was expecting something good from this partnership. I wasn’t disappointed. The slot looks incredible and there are a good variety of features to go with it. I am particularly impressed with the originality of it, so much so that I look forward to seeing whatever Rabcat come up with next. The house edge is good, the features are good; all I’d want to see to take this to the next level would be a more immersive bonus feature.

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