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King of the Barrels puts all of its money on one gorilla
Logic Labs has built a Playtech slot where traditional paying symbols almost feel like an afterthought. King of the Barrels is a 5×3, 243-way game, and its crowned purple gorilla has exactly one job: he stands on the middle reel and hoovers up the cash printed on the barrels and coins around him. Everything worth having in this game flows through that single collection mechanic. The math model backs it up with a 95.89% RTP and a ceiling that can pay up to 4,030x the total bet.
With a crowded market of similarly named games like King of Slots or Roll out the Barrels, it is worth noting early on that this title shares nothing with them but a word.
The gorilla collects, and that is the game
The gorilla is the wild, but he only ever turns up on reel three and pays absolutely nothing by himself. Instead, he acts as a pure collector. Barrels land on the second and fourth reels carrying printed cash values, like 8.00, 12.00, or 15.00 on a €5 stake, while coins land on the first and fifth reels. If a gorilla is sitting on the board when they arrive, he grabs every single one of those values at once and pays them out on the spot.
When there is no gorilla around to do the heavy lifting, the barrels and coins aren’t entirely wasted. They fly up to a pile and a wheel above the reels, eventually setting off a feature. This gives the base game a distinct rhythm: prizes accumulate just out of reach, building tension until a gorilla finally drops in to clear the board.
The crucial detail here is multiplication. Every gorilla collects every prize on the screen, and these apes can stack three rows high on their reel. If you land three gorillas and four barrels, you aren’t getting four payments, you are getting twelve. That stacking multiplication is where the real money lives, and it is the only mechanic capable of turning a modest 15x barrel into a payout worth remembering.
Coins take a slightly different route, feeding a wheel that spins for a prize. This wheel either fires at random based on coins alone or triggers guaranteed when a coin lands alongside a gorilla. Coin values range from 1x to 18x the total bet. During our time with the game, the guaranteed version was the most common outcome, usually resulting in smaller wins, like a €10 payout on a €5 stake from a single coin and gorilla pairing.
What the four prizes are worth, and which ones you can actually reach
Four fixed prizes sit in a bar above the reels, and the game smartly states them as flat bet multiples rather than a growing pot: GRAND 1000x, MAJOR 100x, MINOR 40x, and MINI 20x. They don’t tick upward, and there is no community pool behind them. At a €5 stake, they will read 5,000, 500, 200, and 100 for your entire session.
The routes to these prizes are not created equal. The MINI, MINOR, and MAJOR can pop out of a barrel, or off the wheel, though the wheel only puts any of the four in play when two coins and at least one gorilla set it going. The GRAND is much fussier. It only appears on gold barrels, or from a wheel triggered by two coins and at least one gorilla. The top prize is heavily gated behind the one barrel color you don’t get by default.
Sitting above all four of these is the game’s absolute ceiling of 4,030x the total bet. Bridging the gap between the 1000x GRAND and that ultimate cap requires serious stacking, several gorillas collecting multiple barrels inside a bonus round that refuses to end. Nothing else in the game comes close to it.
Free games
Landing barrels on the second and fourth reels alongside a gorilla on the third opens the bonus round. It plays out as a hold-and-win style respin feature, you get three spins, and any landing symbol resets the counter back to three. But there is a brilliant inversion to how it normally plays: the prizes aren’t what stick to the grid. The collector does. Gorillas lock onto the middle reel for the rest of the round, and every barrel that lands afterward is collected by all of them. Better yet, retriggers have no limit.
There are two versions of this round, and the difference between them dictates your entire strategy. Trigger the feature with wooden barrels, and you play on a restricted 3×3 board covering only the middle three reels. Trigger it with gold barrels, and the board opens up to the full 5×3 grid. That gives you twice the barrel space and makes the GRAND prize possible.
We hit the wooden version during our session. Two gorillas locked onto the middle reel, a few barrels came and went, and the round gracefully closed out at €46 on a €5 stake, a 9.2x return. It was a pleasant enough diversion, though nowhere near the massive numbers advertised above the reels.
Extra Bet and Go Bananas
You won’t find a bonus buy anywhere in this game. Instead, Logic Labs offers two distinct side modes, though you can only run one at a time.
Extra Bet simply doubles your stake and turns every barrel gold. That is the entire trade-off: pay twice as much, and every bonus trigger becomes the expanded 5×3 version where the GRAND is live. Payouts otherwise remain unchanged, and the RTP moves a microscopic hundredth of a point to 95.90%.
Go Bananas is the stranger option, and easily the most interesting mechanic in the game. It costs absolutely nothing to activate, yet it at least doubles your chance of triggering the features. What it does is aggressively strip the reels. The gems, idols, bananas, and royals all vanish, leaving behind only barrels, coins, gorillas, and a whole lot of empty space. The RTP even goes up slightly to 95.92%.
Free money, then? Not quite. What you hand over in exchange is every single ways win in the game, and with them, the small change that normally keeps your balance ticking over between features. A Go Bananas board is mostly blank, meaning when a spin misses, it misses completely. Still, given how little the base paytable actually pays, plenty of players will gladly take that deal.
Symbols and artwork
The artwork leans heavily into a broad, loud cartoon jungle temple aesthetic. You get a purple gorilla in a gold crown, thick black outlines, heavily saturated colors, and a stone idol mugging behind the reels. It fully commits to a Saturday-morning cartoon vibe rather than a serious adventure, right down to the green slime dripping off the reel frame. It isn’t subtle, but it doesn’t grate on the eyes after an hour of play, either. When the bonus starts, the palette shifts to a deep red sunset while the unused reels black out, a simple trick that works incredibly well.
The paytable itself is the weak link, and it feels weak on purpose. Five pink gems, the best symbol in the game, pay a measly 3x the total bet. All four royals pay an identical 1.2x for a five-of-a-kind line. Ways wins do multiply up, and we did catch a nice €180 hit (36x our €5 stake) from a screen full of gems, but you need all five reels contributing to make that happen. That perfect alignment occurs far less often than the busy-looking screen suggests.
Pros and cons
Good
- The collect mechanic is instantly legible. Barrels carry a printed number, the gorilla takes it, and you never have to guess what just happened.
- Go Bananas costs nothing, doubles your feature chances, and nudges the RTP up. It is genuinely unusual for an ante bet.
- The four fixed prizes are stated as flat bet multiples, meaning the 1000x GRAND is exactly 1000x whatever you are staking.
- Free games retrigger with no cap, and any landing barrel or gorilla resets the counter to three.
Bad
- The 95.89% RTP is a fairly thin starting point.
- The ways paytable is practically decorative. A 3x top symbol on a game advertising a 1000x prize is a jarring gap.
- The wooden bonus restricts you to a 3×3 grid on three reels, which is the only version you get without paying extra.
- Because there is no bonus buy, the superior 5×3 version of the feature can only be chased by doubling your stake with the Extra Bet.
Verdict
During our session, the wooden free-games round paid out €46 on a €5 stake, and that is the version everybody gets for nothing. The gold one, the expanded 5×3 grid with the GRAND prize in play, requires the Extra Bet and a doubled stake to guarantee. That encapsulates the entire game in a single sentence: the good half sits behind a side bet, and 95.89% is not a generous rate to be paying extra on top of. What remains is a clean, highly readable collect slot with one genuinely fascinating free mode and a paytable that might as well have been left blank. Anyone who plays these games specifically for the moment a wild sweeps a board of prize symbols will find exactly what they are looking for here, especially with Go Bananas switched on and nothing else getting in the way.
