Solar Disc Slot Review

⭐ 7/10
Create by: IGT
Review by:
Posts by Michael White
Updated: November 29, 2025

Solar Disc is a Average volatile slot from IGT with an RTP 94.04% and up to x maximum win. Play demo for free.

Solar Disc Slot Demo

Software
Release Date
2018-04-26
RTP
94.04%
Volatility
Average
Number of Reels
6
Betways
26
Features
Ancient, Aztec, Mayan, Random Wilds, Totem

How to Play Solar Disc

Solar Disc is one of those IGT slots that feels straightforward once you have gone through the basics. I usually start by loading the free demo, setting a playing budget and picking a stake between 0.50 and 500 per spin. Then it is just a matter of hitting the spin button or choosing autoplay, letting the 6x4 reel set run while I keep an eye on my balance.

The controls in Solar Disc are laid out in a practical way. The bet selector sits to the left of the reels with plus and minus arrows and a tick to confirm changes. On the right is the spin button, with autoplay above offering 10 to 100 spins and optional loss or win limits. Above the reels you have quick links to the paytable, game rules and audio settings.

Solar Disc slot screenshot

Solar Disc Symbols and Paytable

When you open the Solar Disc paytable you see there are six regular symbols and three special icons. The regular set shows an Aztec style coin, an engraved key, a colourful mask and a gem covered chalice, along with a bear and a puma. Coins and keys can pay up to fifty times your bet for six of a kind, while the mask and chalice reach seventy five times.

The top standard symbols in Solar Disc are the puma and the bear, each capable of paying up to two hundred and fifty times your stake for six across a payline. On top of those come the wild, the glowing Solar Disc symbol and the bonus icon. The paytable clearly marks which combinations need three, four, five or six matches on the twenty six fixed lines to award prizes.

Symbols and Paytable

Symbol Quantity Payout
icon 1 6 x5
5 x1.5
4 x0.6
3 x0.3
icon 2 6 x5
5 x1.5
4 x0.6
3 x0.3
icon 3 6 x1.5
5 x0.6
4 x0.4
3 x0.2
icon 4 6 x1.5
5 x0.6
4 x0.4
3 x0.2
icon 5 6 x1
5 x0.4
4 x0.2
3 x0.1
icon 6 6 x1
5 x0.4
4 x0.2
3 x0.1
icon 7 Multiplier
icon 8 Scatter
icon 9 Wild

Bonus Symbols, Features and Impact in Solar Disc

The wild symbol in Solar Disc works exactly as you would expect from an IGT video slot. Whenever it lands, it can substitute for any of the regular paying symbols if that will finish a winning line. With only six standard icons in play, wilds come in handy quite often, especially in the middle reels where even a single substitution can turn a dry spin into a decent payout.

The standout feature in Solar Disc is the disc itself, a magical looking object that can land on any reel. When it hits, it transforms into a random symbol, and every matching symbol already on the grid changes into a wild. Watching half the screen light up as coins, keys or animals turn wild is where the slot really comes alive, and those are the spins that can build big wins.

Free spins in Solar Disc trigger when a bonus symbol lands on reel one at the same time as at least one Solar Disc appears anywhere else. This awards ten free games, and during that feature each triggering reel will always contain a Solar Disc symbol. You cannot extend the round, but having guaranteed discs dropping on the same reels creates regular bursts of wilds and gives real potential for long strings of winning combinations.

RTP and Volatility Ratings for Solar Disc

The published RTP for Solar Disc sits at 94.04 percent, which is a bit on the low side compared with many online slots, though some platforms quote a range from 92.05 to 96.01 percent. Volatility is described as average or medium, so wins can arrive fairly often but vary in size. In my own sessions I have hit some solid rounds, yet longer play still carries a genuine risk of walking away behind.

Graphics, Sound and Animations in Solar Disc

Solar Disc came out in 2018 and visually it sits somewhere between classic and modern. The 6x4 reels float in front of a sunlit mountainside, with Mayan or Aztec inspired carvings framing the grid. I like that there are no boring card royals cluttering the screen, only theme driven symbols such as the mask, chalice and animals. The artwork is not spectacular, yet it suits the mood and stays clear and readable.

The audio side of Solar Disc is fairly bare, with gentle background music and light effects when wins land, but it still adds a bit of atmosphere. Animations pick up the slack, especially when the Solar Disc symbol hits and surges with energy before changing nearby icons. On both desktop and mobile the game loads quickly and scales well to different screens, so spinning a few rounds on a phone or tablet feels natural.

What's the Highest Possible Payout in Solar Disc?

Solar Disc offers a maximum payout of twenty five thousand times your bet, achieved by covering all positions on the reels with wilds. The best shot at this kind of payout comes in the free spins feature when several reels are carrying Solar Disc symbols at once. Combine that potential with the high maximum stake of 500 per spin and you can see why the slot attracts players who enjoy chasing very large wins.

Solar Disc slot screenshot

Final Thoughts on Solar Disc

My overall experience with Solar Disc has been positive, even though the maths profile is not the friendliest on paper. The theme holds together nicely, the interface is user friendly and the Solar Disc mechanic gives each spin that little spark of anticipation. Sessions can feel swingy, but medium volatility means you do see regular hits between the quieter spells, especially when wilds and discs land together in the centre reels.

I would still suggest approaching Solar Disc with a cool head and a clear bankroll plan, using the demo mode before risking cash. The combination of twenty six paylines, a relatively low RTP and a very high top prize can tempt you into oversized stakes. Treated as a medium risk slot with sharp bursts of excitement from the Solar Disc feature, it delivers plenty of entertainment for fans of ancient themed games.

Screenshots

Solar Disc slot screenshot 1
Solar Disc slot screenshot 2
Solar Disc slot screenshot 3
Solar Disc slot screenshot 4
Solar Disc Final Ratings
Theme & Symbols








Sounds & Music








Bonus Features








RTP (94.04%)








Max Win (N/A)








Originality








FAQs About Solar Disc

Can I play Solar Disc free slot?

Absolutely! You can enjoy Solar Disc for free on our website without registration. Our partner casinos of IGT also usually offer demo mode access.

Can I win real money on Solar Disc slot?

Yes, to win real money in Solar Disc, you'll need to create an account at a licensed casino site. You can then play for real and win up to N/A.

Can I play Solar Disc slot on mobile phone?

Yes, Solar Disc is fully optimized for mobile devices and runs smoothly on any devices.

Compare Solar Disc With Other Slots

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Solar Disc 7 IGT 2018-04-26 Average 94.04% 6 26
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Solar Wilds 6 Microgaming 2021-03-05 Average 96.27% 0.10 - 100 x1000 5 10
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Solar King 7.5 Playson 2020-09-04 High 95.45% 0.20 - 100 x2221 5 20
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