Gem Trio Slot Review

The Gem Trio Slot Game

Gem Trio felt like Pragmatic Play ticking the retro 3x3 box in style. The action takes place on a compact 3x3 grid with 9 fixed paylines, blasted into a cosmic backdrop packed with glowing stones. Reels are filled with nothing but 7s, BARs, and gems, so it looks like a chrome cabinet dragged out of a land-based hall. The soundtrack is jazzy, the announcer shouts for every Gem, and spins feel fast and punchy.

Bets in Gem Trio range from 0.10 to 250 per spin, which gives plenty of scope for testing different strategies. The default RTP sits at 96.50%, though lower setups of 95.49% and 94.50% exist, so I always check the info page first. Volatility is high, the hit frequency is about 27.85%, and the game can reach a hefty 20,000x max win, although that remains a long-shot outcome.

Gem Trio Symbols and Payouts

Gem Trio keeps the symbol set deliberately tight, which suits a three-reel layout. You have five regular symbols across single BAR, double BAR, single 7, double 7, and triple 7. Wins land when three matching symbols hit from the left across one of the nine fixed lines. Any BAR combination pays 0.3x, single BAR pays 0.5x, double BAR pays 1x, so the lower end feels modest but steady during longer sessions.

Premiums in Gem Trio are all about the sevens and wilds. Triple 7 tops the regular table at 7x, with double 7 at 4x and single 7 at 2.5x, while any 7 combo gives 1x. Wilds sit above that again. A line of green wilds pays 50x, red wilds 125x, and the powerful 3x wild hits 250x. Any mixed wild line still pays a handy 15x, which softens near misses.

Symbols and Paytable

Symbol	Quantity	Payout
	3	x7
	3	x4
	3	x2.5
	3	x1
	3	x0.5
	3	x125
	3	x250

Gem Trio Slot Bonus Features

In Gem Trio, the wild symbols form a feature in their own right. Green, red, and 3x wilds land on all reels in both the base game and free spins, substituting for everything except Gem symbols. When the 3x wild helps any non-wild win, it triples the payout. On a tight 3x3 grid that multiplier feels very punchy, and stacked wild lines can swing a session in a single spin.

The real twist in Gem Trio comes from the Emerald, Diamond, and Ruby symbols. Whenever these land, they are collected into pots above the reels. Any collection can randomly trigger the free spins round, with one to three modifiers attached depending on which Gems were involved. I like the way this meter system builds anticipation without cluttering the screen with traditional scatter symbols.

Free spins in Gem Trio start with 10 rounds and at least one active modifier. Emerald adds +1 or +2 spins whenever an Emerald lands. Diamond brings Mini 20x, Minor 50x, Major 300x, and Grand 10,000x jackpots, won by collecting four of the same name. Ruby creates two independent 3x3 grids with 10 spins each. From the base game you can also buy free spins for 50x, 100x, or 200x the bet.

Bonus Buy Feature

Free Spins 1 Pay 50x total bet to trigger the FREE SPINS feature with one of the three modifiers guaranteed to activate randomly.
Feature Cost:	x50 Bet
RTP:	96.50%
Volatility:	-
Free Spins 2 Pay 100x total bet to trigger the FREE SPINS feature with any two of the three modifiers guaranteed to activate randomly.
Feature Cost:	x100 Bet
RTP:	96.51%
Volatility:	-
Free Spins 3 Pay 200x total bet to trigger the FREE SPINS feature all three modifiers guaranteed to activate.
Feature Cost:	x200 Bet
RTP:	96.49%
Volatility:	-

How to Win at Gem Trio Slot

Winning in Gem Trio is all about lining up three-of-a-kind on the nine paylines and exploiting the modifiers when they finally land. I tend to treat the base game as a way to feed the Gem meters rather than a place to hunt huge hits. If I am feeling aggressive, I aim for the 200x feature buy, since all three modifiers together give the only realistic shot at the biggest outcomes.

Gem Trio Slot RTP & Volatility

From a maths point of view, Gem Trio sits on a respectable 96.50% RTP at its best setting, with alternative versions at 95.49% and 94.50%. Bonus buys barely shift the figure, hovering around 96.49% to 96.51% depending on which option you pick. I always check the help screen before spinning, as dropping from the top setting to the lowest one has a clear impact over long play.

Gem Trio is tagged as highly volatile, and in practice it feels every bit that way. The hit frequency of 27.85% keeps balance swings from getting silly, yet proper bonuses can still space out at roughly 1 in 93.94 spins. The headline 20,000x max win sits at odds of about 1 in 27.2 million spins, so I treat it as theoretical icing rather than something to chase.

The Gem Trio Slot Verdict

For me, Gem Trio hits a sweet spot between classic simplicity and modern features, without drowning me in overblown effects. The base game can feel bare, but the trio of wilds and the Gem collection keep things ticking while you wait for modifiers. When Emerald, Diamond, and Ruby combine, the slot finally shows its teeth. If you enjoy punchy 3x3 action with serious upside, Gem Trio is worth serious attention.

Screenshots