Reactor Online Slot

Date Updated:7 Nov 2019 Written by Gennaro Donnarumma

Reactor is a futuristic-looking, five-reel, 20-payline, win both ways slot from Red Tiger Gaming. It comes with re-spins with plenty of extras including symbol upgrades, added wilds, mega wilds and multipliers of up to 10x.

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Progressive Jackpot: No

Software: Red Tiger Gaming

Paylines: 20

Reels: 5

RTP: 96.02%

This futuristic-looking production entitled Reactor is played on a 5-reel, 20-payline reel set that gives players the opportunity to win both ways. It comes with a bundle of extras including variations of wilds and multipliers of up to 10x.

The design of Reactor is remarkably impressive. You can enter the futuristic world of the space age with a frameless game window and arc reactors seen on each side. These would dramatically discharge landing batteries to apply up to five reel modifiers.

The reactors are linked to the display that indicates the activated reel modifiers, triggering some intense lightning strikes as soon as the triggering batteries appear on the reels. A likable electronic music tune serves as an appropriate soundtrack, interrupted by futuristic game sounds on winning spins.

Reactor is a fairly simple game but a thoroughly enjoyable one. The crackling visuals are very well executed and the electro soundtrack provides the game a fittingly futuristic tone. The gameplay really comes to life when you land a re-spin, ideally with more than one triggering battery.


Reactor features eight pay symbols, one wild symbol and one bonus symbol. At the low end in ascending order of value are purple, red, yellow, and green crystals. These are followed by four futuristic robotic parts in matching colors. A ball of electric energy is the wild and the top-paying symbol, taking the place for all symbols. A charged battery is the bonus symbol, with just one needed to initiate the first reaction.


Battery Re-Spins

Reactor initially appears as a simple, bare slot in the base game. It all changes noticeably when one to five charged batteries land on the reels. They initiate one re-spin with up to three reel modifiers and a win multiplier, impressively applied by the two reactors on each side of the game window. The number of extras parallels to the number of batteries triggering the feature. Possible wins on the triggering spin are paid before the re-spin. Multiple modifiers will be applied successively on the same re-spin.

The ball of electrical energy is the wild. It takes the place of everything apart from the battery and provides you with awards of up to 25 times your stake per payline. The key to the best action in Reactor is the battery. The more of these you land on the same spin, the better the re-spin extras on offer in the Re-spin feature:

  • 1 Battery = 1 respin
  • 2 Batteries = 1 respin with the Swap Symbols feature – random symbols transform into higher-paying ones
  • 3 Batteries = 1 respin with the Swap Symbols and Random Wilds features – as well as all the above, random wilds are added
  • 4 Batteries = 1 respin with the Swap Symbols, Random Wilds and Mega Wild features – as well as all the above, a mega wild (which is 2x2 or 3x3 in size) is added to the reels
  • 5 Batteries = 1 respins with Swap Symbols, Random Wilds and Mega Wild and
  • Random Multiplier features – as well as all the above, a multiplier of up to 10x is applied to your winnings