Space Miners

Space Miners Slot Review

Slot Provider: Relax Gaming

RTP: 96.47% | Variance: High | Maximum Win: 50,000x

Our Score: 9.0

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QUICK LINKS: Game Information | Where To Play | Full Review | Testing Notes | Compare Slots | Tips For Players | About The Developer

WHY YOU CAN TRUST THIS REVIEW: The information and opinions on this page are the result of an comprehensive process of information gathering and live game testing by the gambling experts who work at allslotsites.com. Find out more here.

About Space Miners

Reviewed by:

Published Date: 10th January 2022

How We Review Slot Games

We test and rate all slot games across 5 criteria, assigning a score out of 10 for each and an overall score that is an average of the 5. To build an accurate assessment of each game we gather information from the supplier and play in real play or demo mode. Find out more.

Space Miners is a space-mining themed slot game with high variance and up to 100,000 win ways. The grid starts with 6 reels and 3 rows but expands to up to 10 rows high as special blocker symbols are removed with each successive win. Power Up symbols can also remove entire horizontal or vertical rows, or a 3×3 square of blockers in one go. Collecting 3 or more space ship bonus symbols unlocks a free spins round where the grid does NOT re-set between spins opening up the chance for some truly epic wins. If you enjoy slots like Play n Go’s Reactoonz then you will love this.

The top win in Space Miners is a fabulous 50,000x. Spins start from 10p.

Space Miners Game Information

  • Release Date: February 2021
  • RTP: 96.47%
  • Variance: High
  • Maximum Win: 50,000x
  • Progressive Jackpot: No
  • Reels: 6
  • Rows: 3 to 10
  • Paylines: 729 to 1,000,000
  • Minimum Stake: £0.10
  • Theme: Space
  • Features: Free Spins, Wilds, Expanding Reels, Power-Ups

Testing Notes: Here’s What Happened When We Played Space Miners

IMPORTANT: To give you an accurate assessment of the games we review our writers play 200 spins. Whilst this is a useful tool to help us review games and to give an example of what might happen when you play, keep in mind that 200 spins is only a very small sample and cannot be used to accurately predict what might happen over another 200 spins. The outcome of all slots play is always random.

Boom Or Bust? Our Session By The Numbers

I played 200 spins on Space Miners at one of my favourite online slot sites, Casumo Casino, to test the game and this is what happened.

  • Stake Size: £1
  • Start balance: £5,000
  • End balance: £4,994.40
  • Biggest Win: 85.20
  • Free Spins rounds: 0
  • Session Time: 18 minutes 56 seconds

There is never a dull moment when you are playing Space Miners. It was really noticeable in this session how the game regularly throws up a win and set up a new sequence of re-spins and blockers being removed. Not all of them ended with a huge payout of course, but although I didn’t manage to unlock the bonus round over 200 spins there were still some excellent wins including a 67.7x and an 85.2x which you can see in this screenshot. The latter brough up a sequence with 450,000x win ways with nearly the entire grid opening up before a non-winning spin put an end to it.

Overall, top class entertainment.

Space Miners Epic Win
An 85.2x win in Space Miners from 450,000 win ways

What We Liked

  • Superb visuals, animations & production
  • 1,000,000 win ways at full grid size
  • Every winning spin triggers a re-spin
  • Big, big 50,000x maximum payout
  • Power Ups destroy blockers quickly

What We Didn't like

  • A bit too similar to some other slots
  • High variance so tough to break

Space Miners Review Scores

  • Theme and Design 10
  • RTP and Variance 9
  • Maximum Win 9
  • Symbols and Paytable 8
  • Features and Gameplay 9

What Our Reviewer Says ...

"A compelling mix of slot formats that blend into something unique - let the intergalactic mayhem begin!"

Overall Score: 9.0

Theme & Design

Our Score 10

In my opinion one of the great strengths of this slot is the sound and visuals. Relax Gaming slots are always notable for their high production values and they are immediately obvious in Space Miners too. The similarities with Reactoonz may be clear but from the first spin the slick animations and clean illustrative style, as well as the woozy alien soundtrack set this game apart from its rival.

Space Miners by Relax Gaming
Space Miners by Relax Gaming – Top Production Values

As you can see in this screenshot we are in deep space, with a dark blue backdrop of stars and planets and the odd space craft floating past. The grid is set in a mining station with weird looking alien creatures populating the reels whilst in the bonus round the backdrop makes way for a pink screen littered with carts of minerals. Look out for cool animations as well like the Space Ship Bonus Symbol which files off the grid and drops into a little landing pad to the right of the grid.

Everything looks superb and in short, this is a beautifully crafted slot.

RTP and Variance

Our Score 9

What is RTP?

RTP (Return to Player) refers to the amount a game will pay out in cash prizes expressed as a percentage of all the money wagered on that game. For example, a 96% RTP means a game will pay out £96 for every £100 wagered. This is an average number and will vary from one session to the next.  Read more here.

What is Variance?

Variance refers to how far a game will deviate from its RTP over time. High variance games deviate a lot and produce uneven win distributions and unexpected windfalls. Low variance games provide a more stable and even distribution of wins. Read more here.

Space Miners has a solid RTP of 96.47% which is above the average of around 96% for an online slot game. It is also slightly over other popular Relax Gaming slots like Beast Mode (96.32%) and Money Train 3 (96.1%).

Like much of Relax Gaming’s best output it is a high variance slot with an unpredictable pay distribution. It may blow cold for long periods before you reap a whirlwind of high payouts in one short session. But it certainly has the capacity to kick out some big wins.

Maximum Win

Our Score 9

What Is Maximum Win?

Maximum win refers to the maximum amount a player can win from one spin. It is expressed as a multiple of the stake. For example, where the maximum win is 100,000x, from a £1 stake, the maximum win would be £100,000.  

This is one of Relax Gaming’s highest max potential slots with a top payout of 50,000x. That puts it up there with Wild Yield (50,000x), Dead Rider’s Trail (50,000x) and Dead Man’s Trail (50,000x) and second only to Money Train 3 (100,000x).

Explore Games With Similar RTP, Variance and Maximum Win

Like the numbers? Here are some more games you might want to try.

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Dead Man’s TrailRelax Gaming96.29%HighHigh50,000xPlay Here
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Beast ModeRelax Gaming96.32%High25,000xPlay Here
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Symbols and Paytable

Our Score 8

First up, I should say that Space Miners is a Win Ways game. That means, wins are created by landing 3 or more identical symbols across the reels from left to right, regardless of their row position. You will find this mechanic in lots of slot games and its super fun because it means you have many more ways to score wins.

The game takes place on a 6 reel and 10 row grid. Initially, only the middle 3 rows contain symbols. The top 4 and bottom 3 rows contain only blocker symbols. This means that 729 win ways are in play. This grid expands as blockers are removed with successive wins – which we will come onto in a minute. At full height the game grid is 6 reels and 10 rows bringing in an extraordinary 1,000,000 win ways.

Space Miners Paytable
The Paytable for Space Miners Slot

I wasn’t so impressed with the values in the paytable which top out at just 5x for 6 reds. However, the high number of win ways really offsets this by bringing more potential wins per spin. You’ll notice this for sure as you start playing the game – its about building successive wins over the course of several re-spins as the grid grows in size rather than one off wins on a single spin.

Low values are the colored gems in blue, purple, green and yellow. These are worth from 0.1x for 3 blues up to 0.4x for 6 yellows. The alien creatures, in blue, purple, green, yellow and red, are worth from 0.2x for 3 blues up to 5x for 6 reds.

To help you along the way is a box of crystals which is the game’s Wild symbol. That has no value on its own but will substitute in for other symbols to create win ways.

Features and Gameplay

Our Score 9

Compared to other slots of its type, including Reactoonz and Space Wars 2, Space Miners is a particularly simple slot. It’s all about opening up the grid by landing successive wins and attempting to trigger the free spins round. Along the way there are some special features to help you.

Re-Spins, Blocker Tiles and Power Ups

Unlike other similar slots, Space Miners does not use a Tumbling Wins mechanic to trigger reel expansions. Instead, after each win, any of the blocker symbols that sit adjacent to a winning symbol will be removed and real pay symbols drop in to replace them. A re-spin is also awarded. Another win removes more blockers and triggers another re-spin and so on.

Effectively, with each successive win you are removing more blockers, adding more win ways and giving yourself a greater chance of payouts.

But that’s not all. My favourite part of this slot is the Power Up features. These are embedded in blockers so you don’t know when they will appear. But when they do, they destroy more blockers in one go, expanding your reel set much quicker.

  • A Cross Power Up will destroy all blockers in a vertical or horizontal line around the blocker.
  • A Horizontal Power Up will destroy all blockers in a horizontal line from the blocker.
  • A Vertical Power Up will destroy all blockers in a vertical line from the blocker.
  • A 3×3 Power Up will destroy all blockers in a 3×3 area around the blocker.
450,000 Win Ways on Space Miners
The grid opens up to 10 rows high – in this case bringing up 450,000 win ways

Free Spins Round – The Grid Does NOT Re-Set

The free spins round is not hugely different to the main game, which is a shame because I would like to have seen more features here. However, it does have one big advantage. After each sequence of wins, the grid does not re-set so it continues to expand, giving you a real chance of destroying all blockers and playing with 1,000,000 win ways.

To unlock free spins you need to collect 3 of the space ship bonus symbols. That gets you 6 spins. For each bonus symbol above the 3 collected you get another 2 spins. And, every bonus symbol that lands in the free spins round adds an extra spin too.

The Final Verdict

Space Miners is an excellent slot that really looks the part and comes with fast and furious gameplay where despite its highly volatile nature it rarely seems to drop too many dead spins in a row. At first I was unimpressed due to the low values in the paytable and the relatively small number of features. But don’t be put off – this game is all about hitting a good run of consecutive wins to open up 100,000s more paylines and at that point, the low values of each symbol cease to matter because you can build lots of smaller wins instead. I should finish as well by drawing attention once again to the two important numbers that drive the payouts in this game – the RTP is strong and well above average, and that max payout of 50,000x shows that Space Miners can hold its own amongst the best high variance slots of recent years.

Useful Resources

Relax Gaming’s Website

Compare Space Miners With Similar Slots Picked By Us

Here are more games like Space Miners compared on configuration and features. Click through to read a review of each one.

Slot GameProviderThemeMin. StakeMax. RTPVariancePaylinesTop PayoutJackpot
Relax GamingNature£0.1096.12%High25950,000xNo
Play n GoCartoon£0.2096.2%HighGrid Slot5,083xNo
Nolimit CityAction and Adventure£0.2096.02%HighUp To 110,59255,555xNo
Nolimit City£0.2096.06%Up to 46,65660,000xNo
Nolimit CityAction and Adventure£0.2096.17%HighCluster Pays44,288xNo
Pragmatic Play£0.2096.09%Up To 117, 64940,000xNo
QuickspinFantasy£0.2096.11%HighWin Ways29,541xNo
ELK StudiosSweets£0.2094%Medium-HighUp to 262,14425,000xNo

Useful Tips When Playing Space Miners

Remember, online slots are games of chance, there is NO strategy that can improve your odds of winning. However, reading our review and following these tips will help you get the most out of your time playing this slot game.

1. Use Power Ups To Boost Your Win Ways

Once you’ve played a few times you will get used to the Power Up symbols. Look out for them embedded in red in the blockers because these can unblock whole rows in one go which boosts your win ways much quicker.

2. Building Big Win Sequences Is Much Easier in Free Spins

It’s tough to do but unlocking free spins is the only way to get close to that 50,000x max payout. With the grid remaining open between spins you can build many more Win Ways. So keep collecting bonus symbols!

3. Enjoy The Fun Atmosphere and Visuals

Space Miners can be a hectic game with lots of little animations and sounds to take in. Take your time to sit back and enjoy the experience of playing this slot as it’s a fun ride and beautifully produced.

4. Play At One Of Our Recommended Slot Sites

Make sure you play at a licensed online slot site like the ones in our lists. These sites offers some excellent bonuses which you can use to play Relax slots and they are safe and secure.

Who Made Space Miners?

  • Name: Relax Gaming
  • Established: 2010
  • UK License: Remote 037462-R-319357-014
  • Total Games: 100 +
  • Known For: High variance, high max win, progressive jackpots, innovative game mechanics
  • Popular Slots: Money Train, Temple Tumble, Dream Drop Jackpots, Hellcatraz
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