This slot may have Nikola Tesla’s name scribbled all over it but it’s really the handy work of a team effort from Yggdrasil and Rabcat. It come with 5 reels and 25 paylines, set within an impressively designed grid.

The collaboration brings players the opportunity to take home a grand prize of 4,100 x your bet, which is a serious chunk of change at whatever bet level you choose to play on. But how easy is it to get your hands on the cash? With Medium volatility, an average RTP of 96.22% and some interesting special features, the chances seem pretty good — let’s take a closer look.

  • Offers multiple opportunities to scoop up big rewards
  • The theme is intricate and very entertaining
  • Big prizes are available both in and out of the base game
  • Nikola Tesla’s Incredible Machine is available to players in Canada
  • There’s no jackpot
  • The Free Spins game can be difficult to trigger
  • The RTP is slightly lower than average
TYPE Video Slot
REELS AND PAYLINES 5 reels, 25 paylines
GAME FEATURES Exploding Wilds, Wild Substitutions, Reel Clones, Free Spins
RANGE OF BET 0.25 - 75.00
COIN VALUES 0.01, 0.02, 0.03, 0.04, 0.05, 0.07, 0.10, 0.16, 0.20, 0.30, 0.50, 0.70, 1.00, 2.00, 3.00
MAXIMUM WIN 4,100 x your bet
PAYOUT 96.22%


Nikola Tesla's Incredible Machine 1365 x 195
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Nikola Tesla's Incredible Machine - Theme and Background

For those who are unaware, Nikola Tesla was a Serbian-American inventor and engineer who made game changing contributions to modern electricity. I feel like I should begin by warning readers that this is a highly animated slot, full of electric volts, sparks, spinning cogs and a frantic Tesla himself, who clambers about his machine banging a hammer and taking notes. So, if flashing images and constant activity agitate your eyes, there’s every chance that you might struggle with this slot.

However, on the flip side, you do have to admire Yggdrasil’s obviously extremely talented design team for their exceptional attention to detail and creativity. The quality of the graphics is impeccable, and easily one of the best I’ve seen in recent years. The grid is set in Tesla’s lab, where he’s working on some ominous new machine. It’s not really clear what the machine does, but it looks sufficiently convoluted for us to presume it’s groundbreaking.

The symbols in play are a combination of magnifying goggles, stopwatches and capacitors (a device used to store an electrical charge). The low value symbols are represented by and A, K, Q, and J, which have been designed within cogs to fit in nicely with the theme. The remaining symbol is a Free Spins symbol, which naturally triggers the bonus game, but more on this below.

Nikola Tesla's Incredible Machine - Gameplay

Nikola Tesla’s Incredible Machine definitely lives up to its name, because this shuddering, electrified contraption is definitely packing some serious special feature action. And amidst all the flashing lights and moving parts, it might become a little tricky to understand what’s triggering what. So here’s a short run through of what you can expect when you start spinning these souped up reels.

Tesla Wild

Tesla Wild

Nikola Tesla appears as the slot’s Wild symbol. He’s looking every bit the mad scientist, with a pair of goggles and a wild look in his eyes. The Wild itself can substitute for all symbols except the Scatter, and also works as its own pay out symbol, offering up to 40 x for a winning combination.

Tesla Energy Burst

Energy Burst

This feature plays out during the base game, and all you need to do to activate it is land a fully stacked regular symbol on the 3rd reel. Achieve this and you’ll be awarded one of three rewards, selected at random:

  • Wild Substitution – the capacitor, goggle or ace is transformed to a Wild symbol during the bonus spins
  • Reel Clone – 3 random reels will synchronize to land identical symbols
  • Exploding Wilds – Wild symbols are placed at 2 or 3 random positions and remain in place during the bonus spins

The number of bonus spins awarded will depend on the stacked symbol you landed. The capacitor, goggle and watch will award 5 bonus spins, but the low paying card symbols will award just 3 bonus spins.

Tesla Free Spins

Free Spins

The slot’s second big feature is a free spins bonus game. You can unlock it by landing anything from 3 to 5 Scatters (these are symbols made up of the words ‘free spins’, so no cause for confusion there). Depending on how many Scatters you land, the bonus game will kick off with anything from 8 to 12 free spins.

  • 3 Scatters give 8 free spins
  • 4 Scatters give 10 free spins
  • 5 Scatters give 12 free spins

Once the game kicks off, the middle symbol on the 3rd reel will turn into a Sticky Wild for the entire feature, and winning combinations can be formed both ways. A level up symbol also comes into play, which can land on reels 1 and 5. Each time it lands, your game is boosted up 1 level and an additional Sticky Wild is placed adjacent to the one that’s already there. There are 5 possible levels giving the opportunity for big wins.

Nikola Tesla's Incredible Machine - Payouts and Wagering Limits

Winning combinations are formed from left to right, starting at reel 1. The slot’s most rewarding symbol is the stopwatch, giving you 1, 4 or 40 times your bet for 3, 4 or 5 symbols on a payline respectively. Naturally, the same payouts can be generated by the Tesla Wild. Big wins can be accessed with every spin because the slot offers a top payout of 1,000 x your bet in the base game, or the slot’s maximum win of 4,100 x your bet during the free spins feature. This is a decent haul for a medium volatility slot.

Base game features are selected at random, which is slightly annoying because it would be nice to have the option to try out all 3, but that won’t necessarily be the case. The RTP of 96.22% is slightly lower than average, which does skew things out of favor somewhat. Thanks to the ‘Win-both-ways’ mechanism used, winning combinations can be created from left to right and from right to left when there are at least three identical symbols consecutively on a payline.

Nikola Tesla's Incredible Machine - Final Verdict

Nikola Tesla's Incredible Machine 320 x 320

Final Verdict

Nikola Tesla’s Incredible Machine


What’s definitely undeniable is that Yggdrasil and Rabcat teamed up to create a visually exciting slot that’s bursting with special effects and features. So, if you’re into intricate themes, this slot is definitely for you. From a gameplay perspective it also brings a lot to the table, with multiple bonus games that are triggered fairly frequently (bar the free spins game, which could take a while). Payouts are decent too, with big wins possible in both the base and top games. I would say Tesla’s invention is worth a gamble, and if you don’t walk away a winner, at least you would have been suitably entertained.

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