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Reactor review

Return to player
Game technology
Game provider
Red Tiger Gaming
Very low
Configurable winlines
Progressive Jackpot
Gamble feature

Quick verdict

In the bowels of this Reactor are strange crystals making sparks fly. With a cool new way of handling the bonus features and a good RTP this one is a CasinoGuru favourite.

Guru Score

Theme and Storyline

Reactor is based around some high-tech, possibly alien, power source in which colourful crystals generate huge amounts of electricity. The crystals on the symbol make for a visually pleasing world which is augmented by animated electricity and techno soundtrack.

Reactor slot big win
Big win achieved with battery symbol hits

Overall its a clever variant on the normally dull and overplayed Bejewelled model of slot design, created by Red Tiger Gaming.

Graphics, Sounds and Animations

This slot is a beaut to look at with its flashy animations and electric, anti-gravity visuals.

Reactor respin feature
1 Battery symbol gives you one respin

The animations work with the design and the whole thing is rendered with a very high pixel count.

There is a throbbing techno track which only plays during spins. If it is not to your taste it can get pretty grating as the music is very insistent. If that is the case, just turn the music off to enjoy the tasteful sound design of the slots which the music somewhat masks.

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The gameplay has really just the single main aspect. There are no gamble features or minigames to distract from a nicely made five reel slot with twenty winlines.

The main distinction here is that the game allows the winlines to pay in both directions.

Reactor active winlines visibility
All active winlines are prefectly visible in the Reactor slot

None of this is to say the gameplay is bad, just simple. It is well paced and has some good customisable features.

Wilds, Bonuses and Free Spins

There is a Wild symbol, which works in the usual way, substituting for any symbol except the Battery symbol. If you land the Battery symbols in a row on a winline they are also the highest paying symbol. However, they only appear when triggered by the Battery symbol.

Reactor slot - 3 bonus features activated
Big wins can be achieved with 3 special symbol (battery) hits

The Battery symbol is an interesting addition to the game. In place of the usual bonus symbols, the Battery acts as a scatter. Hit one and it will give you a single free re-spin. Hit two and you get a respin and a symbol swap. If you luck out and hit five you get in order: a re-spin, a symbol swap, random wilds, mega wilds (a two-by-two or three-by-three Wild symbol) and a random multiplier of up to ten times your wins.

Bet Sizes, RTP and Variance

The return to player for Reactor is a creditable 96.02%, more or less middle of the road for the industry.

Reactor slot 5 Wilds win
Reactor's top paying combination is Wild's 5 of a kind

On the site we tested, the range of allowed bets per spin ran from £/$/€0.20 to just £/$/€20.00, which is a very low maximum bet. However, only the largest of bankrolls or those foolishly attempting a system like the Martingale are likely to have an issue with it.

The volatility, however, is very high. You can go a lot of spins without hitting a win, but if you get lucky once there is up to a maximum payout of five-thousand times your bet per spin on this slot. We particularly like highly volatile slots as they work well with our preferred strategies.

Reactor paytable
Full paytable of Reactor slot


We like Reactor. It is pretty to look at, fun to play, well built and has a simple but slick bonus system.

Add to that the fact that it has a reasonable return to player and huge volatility and it is a great game to pair with our strategies.

As a result we strongly recommend Reactor.

Gameplay video with 2 bonus features activated
Author: Jon | This review was last updated: 2020-06-17T06:50Z

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