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Knockout Diamonds (ELK Studios) – Review & Demo Play
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Knockout Diamonds Slot Overview
I’ve spent plenty of time in Knockout Diamonds from ELK Studios, which puts you in the ring on an old-school mechanical slot machine. It’s a fast-paced classic game with 3 reels, 1 row and 1 payline, yet the action feels volatile and exciting. The bell goes, the audience cheer and clap, and each spin can throw punches. Multiplier Wilds, Ringside Rumble, and Knockout Free Spins modernise the fruit slot formula and can land crazy fast wins when the features line up.
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Bonus Features in Knockout Diamonds
Ringside Rumble in Knockout Diamonds is simple and punchy. If I hit two identical symbols on the line, the game triggers respins and guarantees a win with help from Wilds. Those Wilds can carry 2x or 3x and they turn small hits into tidy payouts when they land in the right spot. On a single payline, that extra push matters, and I’ve had neat sequences where a 3x Wild completes the line and pushes the round into a tidy pay.
Knockout Spins is where I’ve seen the game come alive. You start with 3 free spins that continually reset for any win, so momentum builds fast. During the feature you collect bonus symbols and pick up extra money prizes as the count rises. Reach 10 collected symbols and you hit the max win of 2,500x the bet. It’s a tight loop that suits the 3x1 format and keeps me focused on landing those steady hits to reset the counter.
There’s also a neat twist in Knockout Diamonds during the feature. Land 3 bonus symbols on the payline and you instantly win the max win for a quick one-punch KO. I like that bursty threat, as it fits the boxing vibe and keeps the heart rate up. It can end the feature in a flash, yet you walk away with a big win, which sums up how volatile and exciting this classic release feels when it starts throwing punches.
Symbols and Paytable in Knockout Diamonds
On the single payline in Knockout Diamonds, Wilds and Bonus symbols do the heavy lifting. Wilds can land with 2x or 3x, and that multiplier applies to the line pay when they hit wins, which is key on a 3-reel setup. Bonus symbols drive the Knockout Spins collection and are the only path to the 2,500x the bet peak, either by building to 10 or lining up three during the feature. The rest revolves around matching identical symbols cleanly.
Knockout Diamonds Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
| 10 | x2500 |
| 9 | x500 | |
| 8 | x250 | |
| 7 | x100 | |
| 6 | x50 | |
| 5 | x25 | |
| 4 | x10 | |
| 3 | x5 | |
| 2 | x2 | |
| 3 | x100 |
| 3 | x75 |
| 3 | x50 |
| 3 | x25 |
| 3 | x15 |
| 3 | x10 |
| 3 | x3 |
RTP, Volatility and Wins in Knockout Diamonds
Stat-wise, Knockout Diamonds sticks to a clear spec. It’s a video slot with 3 reels, 1 row and 1 payline, running at 96% RTP. Volatility is high, rated 8/10, with a hit frequency of 12.8%. Stakes run from 20p to £100, which suits casual spins and bigger shots. The max win is 2,500x the bet, and that figure anchors the feature pacing, as most of the serious punch comes from the bonus round rather than base game line hits.
In my sessions, the pay profile matches the sheet. Ringside Rumble can tidy up awkward spins through respins, yet the heavier lifts arrive when Knockout Spins start resetting. That loop compresses variance into short bursts, which suits a 3x1 build. The instant max win trigger during the feature is the wild card, and it keeps the ceiling in reach. When it lands, the round ends on the spot and you walk away with a big win.
3x1 Gameplay in Knockout Diamonds
3x1 gameplay in Knockout Diamonds is direct. With 3 reels and 1 row, you’re watching a single line where matching identical symbols lands the pay. That simplicity mirrors the classic fruit slot feel while leaving room for modern touches. Two identical symbols can nudge the round into Ringside Rumble for respins, where Wilds help complete the line. When Knockout Spins trigger, you start with 3 free spins that reset on any win, so flow and timing become the whole plan.
Audio and Visuals in Knockout Diamonds
Knockout Diamonds nails the theme. I hear the audience cheer and clap as the bell starts, and the reels spin like an old-school mechanical slot machine. The boxing ring backdrop fits the feature names and gives clear feedback when respins or free spins kick in. It looks clean on mobile and desktop, and the single payline keeps the screen tidy. I like how the sound cues match each hit, which helps read the flow without staring at numbers.
The mix feels like the 8th release in a Classic series, modernising and adding extra spins to the old formula of fruit slots. It stays fast-paced without clutter and gives a fantastic atmosphere, which matters on a 3-reel setup. I’ve found the presentation keeps the focus on Wild multipliers, Ringside Rumble, and the Knockout Spins reset loop, so the theme and gameplay pull in the same direction. It’s a neat fit for short sessions or quick bursts.
Gallery of video and screenshots of the game
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Mark Rylance
Editor in Chief and Developer – AllSlotsOnline.Casino
Gambling is one of my main passions in life and I strive to help players find the best place to relax and get excited about gaming.
Last updated 01.12.2025 by Mark Rylance