Ghost Booster Go Guaranteed

High on a hill above a fog-filled valley sits a mansion the living stopped visiting a long time ago, and Ghost Booster! GO Guaranteed puts a single resident ghost to work inside it. Wispy drifts beside the reels with a bowl of gold cradled in both arms, and his interest in the place has nothing to do with frightening anybody out of it. Play’n GO built a 5×4 grid and 20 fixed paylines around him, at 96.25% RTP with a 5,000x ceiling.

Everything in the game runs on Coin symbols, which never touch a payline and never pay a line win. Landing between one and five of them with no Collector Bag sends the lot to Wispy, and each of those collections carries a small chance of waking a jackpot wheel that hands over one of four fixed prizes. Six or more clear the reels entirely and start a Hold & Spin.

That round never begins empty. The GO Guaranteed meter opens at 20x total bet and climbs 5x for every two Collector Bags arriving with no Coins beside them, holding whatever level it reaches across every spin of the session before capping at 100x. Whatever shows on it when six Coins finally land becomes the minimum that bonus will pay. Play’n GO introduced the mechanic on Infernal Trinity GO Guaranteed in September, and the haunted house is where it goes next.

Ghost Booster! GO Guaranteed Paytable: Nine Symbols, Six Pay Levels

Nine symbols pay on the reels, arranged as a Wild, three framed relics lifted from the mansion and five neon card suits. Every figure below is a multiple of total bet rather than a line bet, so a 1.00 spin landing the top combination returns 10.00. Wins run left to right from the leftmost reel across adjacent positions, and only the highest combination pays on each of the 20 lines.

The Wild heads the paytable at 10x for five, which is a narrower margin over the best standard symbol than most substitutes enjoy. Seven and a half times bet for five gold relics against ten for five Wilds keeps the pair within a third of each other, so replacing a symbol with the thing that stands in for it improves a line without transforming it. Below that pair the values compress hard. The green armour and the blue candelabra pay the same at every length, which leaves three premium symbols occupying two pay levels between them. The gold club and the pink spade match each other exactly, the green heart and purple diamond and blue club all share a third set of figures, and nine symbols end up resolving into six distinct outcomes.

Five Suits, Two of Them Clubs

Play’n GO filled the low end with neon card suits and then, in place of the standard four, used five shapes with clubs turning up twice. A gold club and a blue club share the same grid at different pay levels, which asks slightly more of anyone scanning a fast board than four distinct suits would. Colour carries no reliable hierarchy to help with that. The gold club and the pink spade tie at every length, the remaining three tie with one another, and five shapes deliver two outcomes between them. The best single line the base game offers returns 7.50x, against a ceiling of 5,000x that only the bonus can reach. Line wins keep a balance ticking over between Coin landings rather than building toward anything.

Betting From 0.20 to 100.00: What Scales and What Resets

The bet controls move in single steps from 0.20 up to 100.00, and the 20 paylines stay fixed throughout, so stake is the only setting the game asks anyone to choose. Every payout resolves as a multiple of that number, from a 0.1x line win on three blue clubs up to the 1,000x Grand, which keeps the maths identical at every level while only the figures on screen change.

A fully built GO Guaranteed meter caps at 100x, which is worth exactly what a Major is worth at the same stake, and that makes the Major column a reasonable picture of what a maxed meter protects.

The Meter Is Tied to the Stake That Built It

Most slots let players drift up and down the bet range between spins at no cost beyond the obvious. This one attaches a penalty. Changing total bet during the base game drops the GO Guaranteed meter back to its 20x starting level and takes every Collector Bag banked since the last bonus with it. Returning the bet to its previous amount restores the level that was there, so the progress survives an accidental press, though it only ever belongs to the stake that earned it. Building the meter to 80x at 1.00 and then dropping to 0.20 to stretch the balance does not carry 80x down to the smaller stake. The meter reverts to its 20x default at the new level, worth 4.00 rather than the 80.00 sitting there a moment earlier, and the only route back is returning to the stake that built it.

Low Stakes Buy Attempts, High Stakes Buy Size

At the bottom of the range the argument is volume, and it is a stronger argument in this game than in most. A 0.20 spin buys five times as many attempts at six Coins as a 1.00 spin does, and because the meter neither decays nor expires, a long patient session at the minimum builds the same 100x ceiling an expensive short one would. At the top the arithmetic simply gets larger, with a Grand returning 100,000.00 and the 5,000x cap reaching 500,000.00. Operators apply their own maximum payout limits that will meet figures of that size well before the game objects, and they can narrow the bet range from Play’n GO’s defaults too, so both endpoints are worth checking at whichever site carries the game.

Visuals: The House Looks Better From the Inside

The base game sits outdoors on a hillside at night, with the reels set into a block of grey stone and a lavender sky stretching behind them. Bare trees twist up both edges of the screen, a raven keeps watch from a branch on the right, and a cobblestone path runs up the middle toward a house the player never quite reaches from this angle. Green lanterns burn on low posts at either side of the grid, throwing light across a spiked iron fence and a strip of glowing grass.

Four prize plaques carry the jackpot names above the reels in their own colours, Minor in pink and Grand in gold to the left, Major in green and Mini in blue to the right, with the GO Guaranteed arc filling the gap between them. Wispy floats to the left of the frame with a bowl of gold held in both arms.

Inside the House for Hold & Spin

The mansion itself only appears in full during the opening cinematic, which climbs the cobblestone path toward the building on its hilltop before the reels fade in over the scene. Everything after that happens outside the front door, until six Coins land.

Hold & Spin moves the whole game indoors to a grand staircase hall lit in deep blue, with portraits along the walls, cobwebs in the corners and slime running down the plaster. Green-slimed brass piping fitted with valve wheels replaces the stone reel frame, and every position still waiting on a Coin carries a small drip of slime where a symbol would sit.

Building a separate scene for a bonus round costs more than the format demands, and the payoff is that the transition announces itself without a word of help. The walls change and the round has started.

Wispy Will Not Settle on a Colour

Wispy holds his position at the left of the reels throughout, and across a long session he cycles through pale blue, lilac, green, pink and orange without ever settling for long. The bowl of gold stays gold.

His face carries more information than the colour does. A closed, contented smile sits on him through ordinary spins and the mouth drops open the moment Coins start arriving in quantity, which hands base play a tell that has nothing to do with the paylines.

Slime Does More Work Than Light Does

Where most slots mark a winning line by brightening it, Ghost Booster! GO Guaranteed runs a trail of green ectoplasm along the line instead, dripping as it travels, and drops a splat of the same stuff over the reels with the amount written inside.

That single material carries nearly every piece of feedback the game offers:

• Winning lines trace as slime drawn across the grid from the leftmost reel
• Win amounts sit inside a slime splat rather than a panel or a box
• Empty positions in Hold & Spin show a drip where a symbol would be
• The bonus trigger screen is a full-width splash of slime carrying the guaranteed minimum in cash
• The game logo at the top left jolts on its mount whenever a line pays

A big win breaks the pattern and switches to blue, arriving in dripping ice-blue letters with a small ghost at each shoulder, a purple spiral turning behind them and gold coins falling across the whole screen.

Ghost Booster! GO Guaranteed in Practice: Waiting for Six Coins

The base game establishes its rhythm fast, and what it establishes is how little it returns on its own. Line wins arrived steadily across a session of roughly 280 spins at 1.00 a spin, nearly all of them between 0.10 and 0.80, with a 6.00 off a board carrying three Wilds standing as the largest ordinary spin of the stretch. The balance drifted from 25,000.00 down to 24,945.40 over the run, a shallow slope by the standards of the format, and three individual events are what kept it shallow.

Two Bonus Rounds, Two Different Stories

Both Hold & Spin rounds arrived in the second half of the session and neither resembled the other. The first triggered with the meter built up to 35x, and the slime screen that opens the round stated a 35.00 minimum before a single re-spin turned. Seven Coins had landed to start it with a Minor among them, and by the time the counter emptied the board held nine Coins worth 70.75 between them, so the guarantee never came into the question.

The second round triggered with the meter back at its 20x floor, and it needed that floor. Coins landed, the counter reset, and the round closed short of the stated minimum. The game put 5.75 on screen as a figure of its own, added it to what the Coins had gathered and paid out 22.10 once the 2.10 line win from the triggering spin went in on top.

Seeing the make-up arrive as a separate number rather than vanishing into a total does a lot for how the mechanic lands. The meter stops being a decoration above the reels and starts being the reason a thin round was worth finishing.

The Spin That Beat the Bonus

The most productive single moment of the session was not a bonus round. A Collector Bag landed in the base game on a board already carrying Coins, swept them up, showed 20.50 on the bag as it collected, and the round closed at 23.10 once the line wins went in.

That figure beats what the second Hold & Spin returned, from one spin rather than a whole feature, and it arrived with the same big win treatment attached. Reading this game purely as a hunt for six Coins misses where a real share of the money comes from.

What the Meter Is Actually Worth

Three steps carried the meter from 20x up to 35x across roughly 190 spins, which means six Collector Bags arrived with no Coins beside them in that time. Reaching the 100x ceiling from a standing start asks for thirty-two of them, so the top of the meter sits beyond the reach of most single sittings.

Hold & Spin then dropped it straight back to 20x the moment the first round finished. A meter built over 190 spins bought one bonus a 35.00 floor and was gone, which is the trade the feature asks players to accept every time.

The Wheel of Spooks never surfaced across the whole session, which puts some scale on what the rules mean by a small chance.

Our Take on Ghost Booster! GO Guaranteed

Play’n GO built this game around a single idea, and to its credit the idea works. A visible figure above the reels that sets a minimum on the bonus gives base play something to follow through stretches where the paylines do almost nothing, and the moment that minimum gets paid out is the most satisfying thing the game does. How much it does with that idea is the harder question.

The Promise Is Real and Usually Modest

The meter opens at 20x, climbs 5x for every two qualifying Collector Bags and drops back to 20x after every bonus, which means the headline 100x ceiling asks for thirty-two of them from a standing start. A session reaching 35x across roughly 190 spins is far closer to what most players will see than anything near the top of the arc.

A guaranteed 20x minimum still beats what most hold-and-win games offer, which is nothing at all, and it reliably rescues a round that lands short. The figure simply sits nearer its floor than the arc above the reels implies, and the reset after every bonus is what keeps it there.

Where the Money Actually Comes From

The base game runs lean to the point of austerity, with the best standard symbol returning 7.50x and most winning spins handing back a fraction of the stake. Treating the whole thing as a hunt for six Coins makes for a dull wait.

The Collector Bag is what makes base play worth attention, paying the full value of every Coin on the board when it lands alongside them, and across a long session a single Collector spin out-earned an entire Hold & Spin round. Coins arriving without one pay nothing whatsoever, which the game never states on screen and which accounts for a great many spins that look productive and are not.

The Trade It Asks For

A 5,000x ceiling places this in the middle of the format rather than near the top, and nothing in the design is chasing the biggest number on the shelf. What arrives instead is a bonus round that cannot disappoint completely, wrapped in strong art and a mansion interior the studio had no obligation to build.

For players who enjoy watching a figure climb and want the payoff protected when it finally lands, that is a fair trade. For anyone hunting a ceiling, the house on the hill is not where it lives.