Return to player
96.01%
Min bet size
0.20
Game type
Video Slots
Volatility
High
Reels
6
Progressive Jackpot
No
Popularity
Max bet size
100
Game provider
Nolimit City
Bonus Features
Yes
Paylines
Up to 46,656 ways
Theme
Gold Mining
Fire in the Hole 4 online slot game
The grumpy red-bearded dwarf is back, and he needs gold. This time, he grabs his dynamite and starts digging in the jungle, with his younger brother close behind. Fire in the Hole 4 from Nolimit City is messy and full of explosions, just like the dwarf himself.
Fire in the Hole 4: Slot Overview
| Detail | Info |
|---|---|
| Provider | Nolimit City |
| Release Date | 17 November 2026 (Exclusive Early Access from 10 November 2026) |
| RTP | 96.01% |
| Volatility | Extreme |
| Max Win | 75,000x the stake |
| Hit Frequency | 22.18% |
| Free Spins Frequency | 1 in 205 |
| Grid | 6x6 (starts with 3 active rows, opens up to 6) |
| Win Mechanic | 64-46,656 ways, left to right |
| Min Bet | €0.20 |
| Max Bet | €100 |
| Buy Feature | Yes, 2x-1,500x the stake |
| Mobile | Yes |
- RTP can vary between casinos, so check the game’s info screen before you play.
Fire in the Hole 4 Theme and First Impressions
The fourth title in the series takes the mine to the jungle. The grid sits in a timber frame wrapped in rope and vines, with a waterfall behind it and muddy gold water below. The high-paying symbols are pieces of mining kit – a gem-filled gold pan, a lump of gold, a pickaxe, a grappling hook, and gloves. Dark dirt blocks fill the rows below the rope bar.
Its predecessor, Fire in the Hole 3, featured a far colder, icy shaft. Bonanza Megaways from Big Time Gaming is set around a wooden hut in the open. Fire in the Hole 4 feels messier and warmer than both.
Top Casinos to Play Fire in the Hole 4:
SlotRave Casino
100% up to €500 + 100 Free Spins
Vave Casino
150% up to 1.5 BTC + 100 Free Spins
24Casino
200% up to €1,000 + 50 Free Spins
Kyngs Casino
150% up to €2,500 + 250 Free Spins
Godz Casino
100% up to €500 + 100 Free Spins
How Fire in the Hole 4 Plays – Base Game
Each spin starts with three active rows on a 6x6 grid. With every collapse, one more row unlocks. Thus the ways count rises from 64 to 46,656. Winning symbols clear and new ones fall into their places. Dirt blocks under the rope bar can hide an xBomb Wild, an xSplit, or a Bonus symbol until a blast, split or Wild Mining clears them. The top-paying symbols are gem pans and Wilds – both pay 2.5x the stake for six of a kind. The other mining symbols pay 1x-1.5x the bet, and the royals top out at 0.5x-0.75x.
When we tested Fire in the Hole 4, hits landed every 2-3 spins, with the majority of them being 0.10x-0.90x. The game only feels alive when the chain begins. Two of our biggest base game wins – 29.95x and 20.75x – came with the grid fully open and the multiplier at x3 and x4.
- With a 1 EUR bet, the paytable looks like this:
| Symbol | 6 Matches | 5 Matches | 4 Matches | 3 Matches |
|---|---|---|---|---|
 | 2,50 x | 1,50 x | 0,80 x | 0,35 x |
 | 2,50 x | 1,50 x | 0,80 x | 0,35 x |
 | 1,50 x | 1,00 x | 0,40 x | 0,25 x |
 | 1,25 x | 0,75 x | 0,30 x | 0,20 x |
 | 1,10 x | 0,60 x | 0,30 x | 0,20 x |
 | 1,00 x | 0,50 x | 0,25 x | 0,20 x |
 | 0,75 x | 0,40 x | 0,20 x | 0,15 x |
 | 0,70 x | 0,40 x | 0,20 x | 0,15 x |
 | 0,60 x | 0,40 x | 0,20 x | 0,15 x |
 | 0,60 x | 0,30 x | 0,15 x | 0,10 x |
 | 0,50 x | 0,30 x | 0,15 x | 0,10 x |
Bonus Features and Free Spins
Most features fire during base game collapses, with Lucky Nugget Spins as a separate collect-style bonus.
xBomb Wilds, xWays, and Infectious xWays
An xBomb Wild substitutes for all other icons except Bonus symbols. Before the next collapse, an xBomb Wild explodes and clears its entire row and column. It also adds +1 to the win multiplier. After that, it turns into another xBomb Wild, a regular symbol, or an xWays symbol 2-4 positions tall. There’s an Infectious version, which also stretches each matching symbol on the reels.
xSplit
An xSplit doubles every symbol in its row and column, then turns into a regular paying symbol. Any dirt block it hits is cleared on the next collapse.
Wild Mining
If no winning combination forms during the spin and there’s no active xBomb, but 3-6 matching symbols line up, they are swapped for 1-4 Wilds. Everything else above the bar, aside from Bonus symbols and dirt, explodes and triggers a collapse.
Lucky Nugget Spins
If 3+ Bonus symbols land simultaneously, they trigger the bonus on four rows. Collector Chests are then placed along the bottom and an Upgrade Reel sits on the right. The round starts with three spins, and the count resets to three each time a Nugget lands.
Enhancers on the top row – Nugget values, multipliers, Dynamite, Freeze Cells, a collecting Dwarf or a chest-boosting Evil Dwarf – fire when a Nugget lands below them, and Nuggets drop one row per spin until the chests collect them.
The Upgrade Reel holds x2-x100 multipliers behind locks. Each Bonus symbol that triggers the round removes one lock, and Dynamite can remove more during the bonus. This feature is the new twist in this slot. During our session, Lucky Nugget Spins landed on spin 111 and paid 45.30x.
Nolimit Boosters and Bonus Buys
The bonus buy menu has 11 options in three groups:
- Boosters (2x–8x the stake): make each base game spin more likely to deliver Bonus symbols or active rows.
- Bonus rounds (60x–500x): buy Lucky Nugget Spins at three tiers, or take a random tier with Lucky Draw (248x).
- Guaranteed Dwarf options (650x–1,500x): unlock the Upgrade Reel with a Dwarf, an Evil Dwarf or a random Dwarf on every spin. The top option also adds a full row of Nuggets on the first spin.
At 800x, the Guaranteed Dwarf costs a fifth of the 4,000x Fire in the Hole 3 charged for the same feature.
What to Expect When Playing Fire in the Hole 4
Our testing session produced plenty of small hits that didn’t cover the bet. The real money came from the chains that opened the full grid.
Win Potential and Volatility
The max win is 75,000x the stake. Once you reach it, the round ends. Nolimit City states that the odds of reaching it are 1 in 40,000,000. Volatility is rated as Extreme, and our session confirmed this. The balance stayed around its starting level for roughly 160 spins; the bonus added just 45.30x, then one chain produced 234.40x. Our single bonus trigger in 202 spins also matched the published 1 in 205 free spins frequency.
Bet Range and Who It Suits
The betting range is €0.20-€100 per spin. Fire in the Hole 4 is a good fit for players who like watching a spin build, with its rows opening and xBombs stacking the multiplier.
We tested Fire in the Hole 4 for 202 spins at a €1.00 stake on desktop, in the early access demo ahead of the 17 November release. The bonus round, Lucky Nugget Spins, triggered naturally on spin 111 and paid 45.30x the stake across 8 spins. The base game was fast and produced small wins roughly every 2-3 spins. Our longest dry run lasted 10 spins. Our biggest win was 234.40x – a base game collapse chain around spin 165. The cascades carried this session, and the bonus played a supporting role.
Mobile Performance
We ran just a few spins on an iPhone 16 in Safari, portrait, to check the layout and see how the game performs. It played smoothly during our test. The full grid fits across the screen, with the ways counter and xBomb panel moving below the logo. Controls sit under the reels. Fire in the Hole 4 is played in the browser, without download.
Alternative Slots to Fire in the Hole 4
| Slot | Fire in the Hole 4 | Fire in the Hole 3 | Bonanza Megaways |
|---|---|---|---|
| Provider | Nolimit City | Nolimit City | Big Time Gaming |
| RTP | 96.01% | 96.05% | 96% |
| Volatility | Extreme | High | High |
| Max Win | 75,000x | 70,000x | Not published |
| Buy Feature | Yes, 2x-1,500x | Yes, 2x-7,000x | No |
| Min Bet | €0.20 | €0.20 | €0.20 |
| Distinguishing Feature | Infectious xWays + Upgrade Reel bonus | Ice blocks + Lucky Wagon Spins | Megaways + unlimited free spins multiplier |
Fire in the Hole 4 has the highest published max win of the three, and its most costly buy option is much more affordable at 1,500x compared to Fire in the Hole 3’s 7,000x. Fire in the Hole 3 is a good choice if you want Ice blocks with multipliers up to x100 or a max-win symbol, which its 7,000x buy guarantees. Bonanza Megaways is the simpler title without feature buys and with an easy-to-follow free spins multiplier. Choose Fire in the Hole 4 for the series’ base game chaos with cheaper guaranteed bonuses.
Final Verdict – Is Fire in the Hole 4 Worth Playing?
In our testing, Fire in the Hole 4 felt best when chains got rolling, with rows opening and xBombs raising the multipliers – one chain produced our best win of 234.40x. The cheaper bonus buys make the way into the features more approachable than in its predecessor. The drawback is the grind of tiny wins between chains. This slot is a good choice for series fans who like a busy base game, with xBombs, splits and Wild Mining all working between bonuses.
Carlos has been playing and writing about online casinos for over 8 years. In that time, he has tried hundreds of casinos and games and seen both the good and the bad first-hand.
Every article on Playcasino.com is fact-checked by our editorial team before it goes live. Carlos writes from his own experience. He signs up and makes a real deposit at every casino he reviews. He also plays every game he covers, often before its official release.
