Phantom Pulse Slot Review
Back in the 1980s, Roland accidentally built the TB-303 bass synthesizer – a machine so baffling to operate that musicians basically said "yeah, no thanks" and sold them off for next to nothing.🫙
Chicago house DJs then grabbed those cast-off machines, ran them through distortion, and invented an entire genre out of everyone else's garbage.🗑️
The lesson there is that the best things sometimes come from patterns nobody else had the patience to sit through.🧘
Whether that logic holds up on a 7x7 very high-volatility cluster pays game is, honestly, your problem to figure out. This is Phantom Pulse slot from Relax.
Gameplay
Phantom Pulse slot runs on a 7x7 grid with cluster pays – so forget paylines, because nothing pays here unless you connect 5 or more matching symbols horizontally or vertically.
The four high-paying symbols are the Panther, Beetle, Owl, and Ray. The Panther sits at the top, worth 150x if you somehow pack all 49 grid positions with it, dropping to 75x at 45+, 50x at 40+, and a more humble 1.40x at a 6-symbol cluster.
The Beetle, Owl, and Ray trail behind in that order, with the Ray bottoming out at 0.60x for 6 symbols.
There's also a Wild that fills in for everything except Scatters, but rather than just sitting there being a Wild, it blows up into a scatter of random pay symbols when it's part of a win.
Each spin also secretly picks one symbol type as the Morphing symbol, and the grid quietly tracks multipliers on individual positions as wins clear through them. More on both of those in the features section.
Fiat currencies only here. Bets run from $0.10 to $10, and the 20,000x max multiplier puts the max win at $200,000. The RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. is 96.40%, and the volatility is very high.
Features
MORPHING CLUSTERS:
At the start of every spin, one symbol is randomly tagged as the Morphing symbol – you won't know which one until a win lands.
If that winning cluster contains any Morphing symbols, they shapeshift into whichever symbol is sitting next to the cluster and pull it into the win, expanding the whole thing and triggering another payout evaluation.
This keeps going as long as the expanded cluster keeps picking up Morphing symbols.
In the extreme scenario where the Morphing cluster swallows the entire 7x7 grid, it converts into a random symbol, making a full 49-symbol cluster a realistic possibility rather than just a theoretical footnote.
GRID MULTIPLIERS:
Every position on the grid has the potential to build a multiplier over time. The first time a winning symbol gets cleared from a spot, the game marks it. Clear a winning symbol from that same marked spot again, and a 2x multiplier appears there.
Every clearance after that doubles whatever's already sitting on it.
When a winning cluster covers positions that have built up multipliers, all those values are added together and applied to the cluster's total payout.
The catch in the base game is that these multipliers vanish completely between spins, so any ground you've built evaporates the moment a spin ends without a bonus triggering. Inside either Free Spins variant, they stick around for the whole ride.
PULSE BOMBS:
Once all cascades have resolved and there are no more wins on the board, a Pulse Bomb may fire off.
Two varieties exist – a Zone Pulse, which runs along the center diagonals of the grid in 6 possible sizes with heavier multiplier hits toward the middle, and a Radial Pulse, which starts at the outer edge and pushes inward in 4 sizes.
Both blow up the symbols sitting on their covered positions and crank up the multipliers on those same spots. The Pulse Bomb Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. guarantees one of these on every spin.
FREE SPINS:
Three or more Scatters in the base game kick off the Free Spins. Three Scatters gets you 8 spins, and every additional Scatter beyond that adds 2 more, capping at 16 spins for 7 Scatters.
Hit 2 or more Scatters during the feature, and you pocket 4 extra spins on top.
The big mechanical shift here is that Grid Multipliers don't reset between spins – whatever you've built on a position stays there for the entire bonus. That's the whole ballgame as far as serious money is concerned.
If one of your triggering Scatters happens to be a Charged Scatter, you're bumped up to the Charged Pulse Spins Bonus instead. Same spin count, same retrigger rules, but now a Pulse Bomb fires on every single spin regardless of whether wins are happening.
That means multipliers are climbing through both wins, clearing positions, and forcing Pulse Bomb hits every spin. In a cold Free Spins round, a regular bonus stalls out. In the Charged version, the multipliers keep stacking regardless.
BUY BONUS:
Two options to skip straight to the action: 58.60x your bet drops you into the standard Free Spins Bonus, while 212x your bet buys directly into the Charged version with the guaranteed Pulse Bombs.
ANTE BET:
Two Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. options sit alongside the Buy Bonus.
The Adjustable Scatter Boost costs 1.50x your bet and nudges up the chances of triggering Free Spins. The slider lets you dial the cost up or down, with trigger probability scaling along with it.
The Pulse Bomb Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. costs 10x your bet and guarantees a Pulse Bomb lands after every single spin in the base game.
Performance
I tested this game on my Android phone and gaming laptop. On mobile, landscape mode is the only sensible way to play – the 7x7 grid fits well on the screen, and the cluster animations are easy to follow.
Portrait mode technically works, but the grid shrinks enough that keeping tabs on individual position multipliers becomes a bit of a squinting exercise.
On a laptop, it's genuinely good. The gem artwork has real detail at larger sizes, and being able to see the full grid clearly makes it much easier to track which positions have built multipliers.
Maximum Win
The max win here is $200,000, which requires the $10 maximum bet paired with the 20,000x max multiplier. Bets start at $0.10 and cap at $10 per spin.
Conclusion
The money in Phantom Pulse slot comes from one place:
Grid Multipliers that can compound across a full Free Spins bonus without resetting. Everything else, the Morphing Clusters, the Pulse Bombs, the Wild explosions – is in service of stacking those positional multipliers higher before the bonus wraps up.
The Charged Pulse Spins Bonus is the top target specifically because the guaranteed Pulse Bomb every spin means multipliers are building even on spins where nothing wins.
The Morphing Clusters aren't just window dressing, either. When the tagged symbol is a high-payer, and the chain keeps expanding, each clearance digs the multiplier deeper into those same positions.
Throw a Wild explosion into that mix, and cluster sizes can grow in ways that push the multiplier math somewhere interesting.
The base game reset is where this slot bites hardest. Every spin that ends without triggering a bonus wipes the multiplier slate clean, all that position marking, gone.
Very high volatility, with no published trigger frequency, means there's genuinely no telling how many spins it takes for the process to repeat before something pays off. The base game isn't where you make money here; it's just the waiting room.
On the Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. side, the Adjustable Scatter Boost is the sensible lever to pull. You control the cost, you control how much you're tilting the trigger odds, and the slider keeps it flexible.
The Pulse Bomb Ante BetAn Ante Bet is an option that costs a percentage of your bet but increases your chances of landing triggering symbols that initiate a feature. at 10x your bet is harder to justify – you're paying a significant premium to build multipliers on positions that reset the moment the spin ends without a bonus.
It only earns its cost if a Free Spins trigger lands soon after, which in a very high-volatility game is far from guaranteed.
The Free Spins direct buy at 58.60x is the cleaner play for anyone who'd rather skip the base game grind.
The Charged Pulse Spins Bonus at 212x is the ceiling-chaser's option: guaranteed Pulse Bombs on every spin and maximum multiplier escalation. It's not a bad bet if 20,000x is specifically what you're after, but the price tag means you'll need the session to cooperate.
Phantom Pulse slot is built for players who are comfortable with the feature-or-bust reality of very high-volatility cluster pays games and who either have the bankroll to buy in directly or the patience to grind through the base game with the Scatter Boost running.
If you're counting on the base mechanics to deliver results on their own, that 7x7 grid will eat your stack before the multipliers get anywhere worth talking about.
Slot Details
Game Provider: Relax
Game Type: Video Slots
PaylinesPaylines are preset lines that run across the reels, and when you land matching symbols on them, that will result in a payout. The more paylines, the more ways you can win, but also the higher your bet per spin.: Cluster PaysUnlike traditional paylines, Cluster Pays can award wins when a minimum number of matching symbols land adjacent to each other (vertically or horizontally), forming a cluster.
RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate.: 96.40%
Volatility RateSlot games can have low, medium, high, or extremely high volatility rates (or a combination thereof).
The less volatile the game, the more often it should pay out, but the lower the amount, the less the payout, as this is in keeping with the risk you’re taking. Volatility rate should be considered in conjunction with a game’s RTP.: Very High
Bonus Round: No
Progressive: No
Free Rounds: Free Spins
Max Multiplier: 20,000x
Max Win: $200,000
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