Jack O’Wild Slot Review
Most Halloween slots use the pumpkins as an excuse and pay you in line wins. Jack O’Wild pays you in wilds. Its 5×4 grid, 20 paylines, 96.02% RTP and high volatility sound ordinary enough on paper, but with a paytable topping out at 2500x the bet, Gamzix has built a game where the lines barely matter and the multipliers do everything – up to a 10,000x cap.
Even the bonus round is built around that idea: three spins, and wilds scattered across the reels by the handful. It sits in a catalogue alongside Vinnie Volt: Dracula Wilds and Juicy Crowns, and it’s the wildest of the three.
Reels, Paylines and the Paytable
It’s a five-reel, four-row game with 20 paylines, and all of them are always active. Wins pay from the leftmost reel to the right, only the highest win per line counts, and wins on multiple lines are added together. Standard left-to-right maths, in other words, with nothing unusual in how combinations form.
Symbol payout values are dynamic: they scale with the bet size you’ve selected, so the paytable always shows figures matched to your current stake. Once a spin starts, the bet for that round is locked and can’t be changed mid-spin. Winnings are displayed in your own currency, whichever way you’re playing.
There’s a lean feel to the top of the paytable. The best five-of-a-kind awards, as multiples of the total bet, are:
- 2500x the bet for five of the top symbol
- 750x the bet for five of the second symbol
- 375x the bet for five of the third symbol
- 175x the bet for five of the fourth symbol
- 50x the bet for five of the lowest symbol
Those are multiples of the total bet, not the line bet, which is worth knowing on a 20-line game. A 2500x top prize for a full line is where the paytable stops, and the real money here still doesn’t come from lining symbols up alone. It comes from multipliers, and multipliers only arrive with wilds.
The Wild can appear on any reel, in the main game and in free spins, and substitutes for every symbol except the Scatter. That’s its whole job in the base game, and on its own it wouldn’t be worth a paragraph. The interesting version of it expands.
Expanding Wild Multipliers
This is the feature the game is named for, and it’s where almost all of the base game’s bite lives. When an Expanding Wild lands and takes part in a winning combination, it expands to cover its entire reel. It only does this if it’s part of a win, so a dead expanding wild stays put.
Each Expanding Wild that expands carries a random multiplier between x2 and x100, applied to every win on the paylines it takes part in. Where more than one Wild Multiplier forms part of the same win, their multipliers are summed before being applied. Two expanding wilds at x20 and x50 in one combination pay that line at x70.
That summing rule is the whole point. On a 20-line grid where an expanded wild covers four rows, multiple lines can run through two expanded reels at once, and the combined multiplier hits every one of them. It’s the only route to anything resembling a big base game win on a paytable that tops out at 2500x for a five-of-a-kind.
The Expanding Wild appears only in the main game, so the free spins round runs on a different wild arrangement of its own. That split keeps the two halves of the game distinct: one random multiplier per expanded reel in the base game, a fixed drawn multiplier and scattered wilds in the bonus.
Free Spins
The bonus round arrives on Scatters and runs on two random draws made before the first spin. The full sequence looks like this:
- Three or more Scatter symbols, anywhere in the main game, trigger the round
- The award is three free spins
- A Free Spin Multiplier between x2 and x100 is drawn, applied to all winnings during the round
- A number of random Wilds, between 5 and 20, is drawn, guaranteed on the reels in any position on each free spin until the round ends
- Free spins play at the same bet as the triggering round
- When the spins run out, the round’s total win is added to the triggering spin’s win
So the round is short by design and stacked by design. Twenty wilds scattered across a 5×4 grid with 20 paylines is close to a full board of substitutions, and a x100 Free Spin Multiplier sitting on top of that is where the 10,000x ceiling becomes reachable rather than theoretical.
The draw happens before anything else, so the round’s character is fixed before the reels move. Five wilds and a x2 multiplier is a quiet three spins. Twenty wilds and a x100 multiplier is the game’s ceiling in play.
Buy Free Spins
The free spins round can be bought outright for 100x the bet. When you buy it, one free main game spin is played first, guaranteed to activate the free spins, so the purchase always delivers the round.
At 100x for three spins, the price is on the steep side of standard, and everything depends on the random draw of multiplier and wild count that precedes it. A x2 multiplier with five wilds is a poor return on a 100x outlay; a x100 multiplier with twenty wilds is the game’s best moment. The variance inside the purchase is enormous, which is consistent with the rest of the maths.
One cap governs everything, bought or earned: the round ends immediately once a total of 10,000x the bet has been reached, and that figure is what’s paid. There’s no playing past the ceiling.
Our Honest Verdict
Overall Rating: 7.1/10
Sitting down at Jack O’Wild means long, quiet stretches of graveyard spins waiting for a wild to land in the right place. That waiting is the whole point: it’s a game where a single spin can quietly build a multiplied line out of almost nothing, and that surprise is the reason anybody chooses it over a fatter paytable.
Its strength is that everything multiplies. Expanded reels sum their multipliers across every line running through them, so one good setup pays on a dozen lines at once. Its weakness is the bonus round: three spins with everything decided by two draws before the reels move, so a bad draw can make the feature feel like a shrug.
This is a game for players who like short, sharp multiplier chaos and don’t need a long bonus session to feel they got their money’s worth. Anyone who wants retriggers and a round that builds will find the mansion’s gates firmly shut. For those happy to gamble three spins on a x100 draw, the mist outside this graveyard is worth standing in.
Jack O’Wild FAQs
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What is the RTP of Jack O’Wild?
The RTP is 96.02%. -
Is Jack O’Wild high volatility?
Yes, it’s a high volatility game. Wins can be infrequent in the base game, with the Expanding Wild multipliers and free spins round doing the heavy lifting. -
How do you trigger free spins in Jack O’Wild?
Land three or more Scatters anywhere on the reels in the main game and the round begins, awarding three free spins. -
What does the Expanding Wild multiplier do?
When an Expanding Wild takes part in a win, it covers its whole reel and applies a random multiplier between x2 and x100 to the wins it’s part of. If more than one is in the same win, their multipliers are added together. -
How much does Buy Free Spins cost in Jack O’Wild?
The Buy Free Spins feature costs 100x your bet and plays one guaranteed triggering spin, followed by the free spins round. -
What is the maximum win on Jack O’Wild?
The maximum award is capped at 10,000x the bet. Once the cap is reached, the round ends immediately and the full 10,000x is paid. -
How many paylines does Jack O’Wild have?
There are 20 paylines, and the game is always played with all of them active. You can’t reduce the count to lower your stake. -
Can free spins be retriggered in Jack O’Wild?
The round awards three free spins and ends once those spins are used. The only other way in is the Buy Free Spins feature at 100x the bet. -
When is Jack O’Wild released?
Jack O’Wild’s release date is 1 October 2025. -
Who makes Jack O’Wild?
Jack O’Wild is made by Gamzix, the studio behind titles including Vinnie Volt: Dracula Wilds and Juicy Crowns.


