Heart Gem 20 Slot Review
Faint translucent hearts drift through a violet haze, some glowing amber at the edges like embers behind frosted glass, while a thick maroon frame edged in polished gold holds the reels. Heart Gem 20 wears that soft-focus romantic lacquer over one of the steepest paytables you’ll meet on a twenty-line grid: a single 7 towering over everything else, which means the whole game lives or dies on one symbol.
Heart Gem 20 is Playnet‘s wider take on a formula the studio has already run, spread across twenty paylines on a 5×3 grid with a 96.504% RTP and a maximum win of 1,232x the bet. Sister titles like Heart Gem 5, Clover Wealth 5 and Royal Flame x2 cover similar ground, but the twenty-line layout is what makes this version its own animal.
Twenty Paylines and a Very Rich 7
Wins pay left to right from the leftmost reel, and only the highest win on each payline counts. Twenty fixed lines run across five reels and three rows. That’s the whole structure, and it takes about a minute to understand, which is a fair part of the appeal of a game like this.
The paytable is where Heart Gem 20 shows its character. The 7 is far and away the richest symbol, and everything below it falls away steeply:
- 7: 0.03x for two, 0.15x for three, 0.60x for four, 9.00x for five
- Grapes/Watermelon: 0.12x for three, 0.30x for four, 1.50x for five
- Gold Star: 1.20x for three
- Bell: 0.06x for three, 0.15x for four, 0.60x for five
- Lemon/Orange/Cherry: 0.03x for three, 0.09x for four, 0.30x for five
- Blue Star scatter: 0.18x for three, 1.20x for four, 6.00x for five, paid on any position
The gap between the 7 and everything else is the design’s nerve. The top symbol pays 9.00x for five while no other symbol on the reels reaches 2.00x, so every spin carries a live chance of the one big result. Even two 7s from the leftmost reel return 0.03x, a nudge the fruit rows don’t offer.
The flip side is that most wins come from the bottom rows, and those pay fractions of the stake. Grapes and watermelon sit together in the second row, the bell on its own below them, and the three cheapest fruits packed into a single shared line at the bottom. A grid full of low fruit is a grid full of very small payments.
Twenty lines change the shape of that, a little. Where a five-line game pays one fruit combination at a time, a board stacked with the same low symbol can close several of the twenty lines on a single spin, stacking several small payments into one that at least reads as a win.
Three symbols sit outside the ordinary run of fruit, and each has its own rule:
- Heart gem: an expanding wild, appearing only on the second, third and fourth reels
- Blue star: a scatter that pays on any position, paylines irrelevant
- Gold star: pays on any position on the first, third and fifth reels, 1.20x for three
The gold star is the quietest of the three. It doesn’t need to sit on a line, but it only counts when it lands on one of the outer reels or the middle one, and it has just the single pay tier. Three of them anywhere on those reels is worth 1.20x the bet.
The two stars are easy to confuse and worth telling apart. The blue star is the true scatter: any three of it, anywhere on the board, pay. The gold star is pickier about which reels it counts on, and it stops at a single pay tier, so its ceiling is lower even though it lands on the reels the blue star shares with everything else.
The Expanding Heart Wild
The heart gem is the game’s one feature, and it’s a simple one. It can only land on the middle three reels. When it does, it stretches to cover the whole of that reel, turning a single symbol position into three.
In order, a gem landing plays out like this:
- The gem lands on the second, third or fourth reel
- It expands to fill all three rows of that reel
- Every position it covers stands in for any paying symbol
- The remaining reels evaluate normally, left to right
Once expanded, the gem’s job is finishing lines that the fruit started. A bell on reels one and two, a fruit on reel five, and the gem in between is a five-of-a-kind the outer reels couldn’t manage on their own.
Because it never appears on the first or last reel, it can’t open or close a line by itself. The biggest results still depend on the outer reels delivering the right symbols, most usefully 7s. A wild on the third reel with 7s on either side is the game’s signature moment.
Beyond that, there’s nothing else to trigger: no free spins, no bonus round, no collection meter. The expanding wild and the scatter pays are the whole offer.
Two housekeeping rules round out the game’s behaviour:
- In autoplay, any winnings are collected automatically on each spin and added to the total balance
- Malfunction voids all pays and plays
Our Honest Verdict
Overall Rating: 6.9/10
This is twenty lines of fruit and a purple glow, and the reason to pick it is exactly that: you understand everything within a minute, the spins fly by, and the hazy violet backdrop with its drifting hearts makes the long stretches easy to sit through.
The paytable’s nerve is the strength. One symbol towering over the rest means every spin carries a real chance of something meaningful, and the 1,232x cap is far above what the fruit rows suggest. The weakness is everything in between: there’s no free spins round, no collection, nothing to build towards, so a session is a rhythm of small fruit wins broken only by an expanding gem that can finish lines but never start them.
That will suit players who love a classic line-payer with a top symbol worth chasing and don’t need a bonus round to feel the game moving. Anyone who wants features to stack up will find the cabinet nearly bare, and no amount of romantic lighting changes that. The hearts on screen aren’t decoration; they’re the whole personality.
Heart Gem 20 FAQs
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What is the RTP of Heart Gem 20?
96.504%, which is comfortably above the typical industry average. -
How does the expanding heart wild work in Heart Gem 20?
The heart gem appears only on the middle three reels. When it lands, it expands to cover its whole reel and substitutes for any paying symbol to complete winning lines. -
How many paylines does Heart Gem 20 have?
Twenty fixed paylines across a 5×3 grid, with all wins paying left to right from the leftmost reel. -
What is the maximum win on Heart Gem 20?
The maximum win is 1,232x the bet, set by the game’s multiplier cap. -
What does the scatter pay in Heart Gem 20?
The blue star scatter pays on any position: 0.18x for three, 1.20x for four and 6.00x for five, without needing to sit on a payline. -
What does the gold star do in Heart Gem 20?
The gold star pays on any position on the first, third and fifth reels, awarding 1.20x for three. It is a paying symbol rather than a feature trigger. -
Who makes Heart Gem 20?
Playnet, the studio behind Heart Gem 5 and other compact line-payers like Clover Wealth 5 and Royal Flame x2. -
When is Heart Gem 20 released?
The Heart Gem 20 release date is 26 October 2026.
