- Bet lines pay in both directions
- Adjacent payouts
- No features except the scatter
- Very basic
Contents
Three Gems review: introduction
When you need to simply relax and just play, choose Three Gems for a pared-back experience. This game is free to play in demo mode here at Slots Temple, which we recommend so that you can familiarize yourself with the gameplay before deciding whether to play for real money at an online casino.
Theme, graphics & soundtrack
If you prefer a streamlined visual experience, you are in luck. There is very little going on beyond the reels - just a dark background with a hint of purple. The graphics are nice enough, but the icons are rather pedestrian and there is not much to play with here. The gems are sharply rendered, so represent some progress on older jewel-based games.
You can toggle the sound on and off, but you probably won’t need to. The only sounds we managed to elicit were standard reel clicks, occasional jingles for a combination win, and a soft alarm-type sound when more than one combination was landed in a round.
You do get a big band-style fanfare if you hit a big win; however, with an unknown RTP, we don’t think it is worth sitting in silence waiting for this to happen. Find a playlist that will be interesting enough to take your mind off the fact that the gameplay is rather dull.

Three Gems RTP and variance
The RTP of Three Gems is unknown, as is the volatility. Try to keep an eye on your incomings and outgoings and form your own assessment.
How to play Three Gems
1. Use the small i button in the top right-hand corner of the screen to view the win amounts for each combination.
2. To play in autoplay mode, use the green settings icon under the main green spin button on the right-hand side of the screen.
3. To adjust your bet amount, click or tap the plus and minus symbols to either side of the bet button to the bottom-right of the screen; alternatively, you can use the stacked coins symbol to the far right to select an amount between 0.10 and 60.
4. To start play, click the large spin button to the bottom-right of the screen.
5. You can view your balance and last win amounts along the bottom of the screen.
6. To toggle the sound on and off, use the speaker icon on the right-hand side of the screen.
Bet sizes & paytable wins
Three Gems has a minimum bet of 0.1 and a maximum bet of 60.
Three Gems bonus features
- Scatter
The scatter symbol for this game is a star. If you catch three or more of these stars anywhere on the reels -.well, we’re not quite sure, as we didn’t manage any scatter combos. Logic would dictate that the more you can catch on the reels at any one time, the better the rewards.
- Adjacent payouts
Not really a feature, but the winning combinations can also be formed with adjacent symbols rather than just in a straight line from left to right or right to left. This can produce some interesting-looking wins but the payouts are still rather small.
Our verdict
Booongo’s website states that it is a slot enthusiast that likes to push boundaries with innovative gameplay and exciting features. It also claims to develop premium HTML5 games using stunning art and cutting-edge gameplay to attract and retain players.
It is difficult not to take issue with almost every part of this statement. The only even slightly remarkable element in this game is the fact that the bet lines pay out in both directions. There is certainly no boundary-pushing or innovative gameplay from whatever perspective you look at the game.
There are also no features unless you are generous and class the scatter symbol as a feature. Booongo apparently offers a level of customisation, so it is to be hoped that potential vendors make good use of this option and ask for some features. It has to said that many of the plaudits for Booongo center on the ‘backend integration’ of its titles, which it seems has been flawlessly executed to the detriment of the user experience.
Jewel themed slots inspire obvious comparisons to match three-type games, and it would usually be the case that the slot would come out on top.
Is this the worst house on a good block? Did Three Gems miss out on all the features that Booongo’s other titles gained? It is hard to say, as Three Gems is the title we have in front of us and we can only judge Booongo on this rather than its other offerings.
If you like a classic slot, you might enjoy this; however, it is always good to make an informed decision.
If you like the theme of this game, why not check out the Da Vinci Diamonds free slot?
Disclaimer: Three Gems trademark / license is owned by Booongo. This site is not endorsed by Booongo.
| Slot Name: | Three Gems |
|---|---|
| Software: | Booongo |
| RTP: | Not Applicable |
| Paylines: | 10 |
| Reels: | 5 |
| Min Bet (all lines covered): | $0.10 (USD) |
| Max Bet: | $100 (USD) |
| Top Win: | 250 |
| Features: | Scatter Symbol, 5 Reels |
| Themes: | Jewels |
| Last Update: | 19/03/2021 |
FAQs
What is the RTP of Three Gems?
The long-term, average expected payout of this game is unknown. Try to keep an eye on your incomings and outgoings.
How volatile is Three Gems?
Three Gems by Booongo demo slots has not yet received a volatility rating.
What is the biggest win available on Three Gems?
The maximum win of this game is 250x the total bet.
Is there a free spins round in Three Gems?
Not that we could find, but we didn’t manage to land three or more scatters. This is where free spins are often generated.
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