Riddec Games
Ultimate KO
Slots · Released August 27, 2026
Riddec Games publishes exactly two pages on this site and gives them the same numbers: 95.14% return, 7,500x ceiling, very high rating, 3x3 grid, and the same seven mechanics item for item. Boxing here, dinosaurs on Primal Fury. A 95.14% return is beaten by 193 of the 220 published in this catalogue.
Ultimate KO at a glance
95.14%
RTP
Very high
Volatility
7,500x
Max win
3x3
Grid
Paylines
Pays by
Play the Ultimate KO demo
Virtual credits only, nothing wagered.
Where to play for real money
Parimatch
CAD depositsAccepts players from across Canada and takes deposits in Canadian dollars.
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How Ultimate KO pays
The game runs on 3 reels of 3 rows, 9 positions in total.
Ultimate KO is rated very high volatility. Its 95.14% return sits below the 96.2% median of the 220 games published here, which is the only benchmark available: Riddec Games has too few pages on this site to have a median of its own.
The ceiling is 7,500x the stake, so a $1 spin caps at $7,500.
It is the 9th of 9 2026 releases from Riddec Games that we track, following Primal Fury.
What Ultimate KO actually does
Ultimate KO pays by paylines across a 3x3 grid, the format on 88 of the 221 games in this catalogue.
Free Spins is the round the rest feeds, with expanding wilds changing how it behaves once it starts. The 7,500x ceiling is reachable there and effectively nowhere else.
Buy Bonus and Ante Bet shorten the wait at a higher stake. That widens the swing on a very high-volatility game without moving the 95.14% return, and several regulated markets switch the option off entirely.
| Mechanic | What it does |
|---|---|
| Expanding Wilds | Wilds stretch across the reel |
| Multiplier | Multiplies the win it applies to |
| Free Spins | Spins awarded without a stake |
| Buy Bonus | Pay to enter the bonus round |
| Ante Bet | Higher stake, better bonus odds |
| Wild | Substitutes for regular symbols |
| Scatter | Pays or triggers from anywhere |
Expanding Wilds
An expanding wild grows to cover its entire reel once it lands, turning a single symbol into a full column of substitutes. This is most common during free spins.
Setting and presentation
Sports. Football, racing and other competition framing, with bonus rounds built around a match or event.
Also tagged: Boxing.
Games like Ultimate KO
| Game | Provider | RTP | Volatility | Max win | Released |
|---|---|---|---|---|---|
| Primal Fury | Riddec Games | 95.14% | very-high | 7,500x | 2026-07-29 |
| Sugar Rush 1000 | Pragmatic Play | 95.5% | very-high | 25,000x | 2024-03-18 |
| Gates of Olympus Super Scatter | Pragmatic Play | 96.5% | very-high | 50,000x | 2025-04-28 |
| Sweet Bonanza 1000 | Pragmatic Play | 96.53% | very-high | 25,000x | 2024-06-03 |
| Gates of Olympus 1000 | Pragmatic Play | 96.5% | very-high | 15,000x | 2023-12-14 |
| Big Bass Splash | Pragmatic Play | 96.71% | very-high | 5,000x | 2022-06-23 |
Primal Fury is the nearest match of the 6: they share Expanding Wilds, Multiplier and Free Spins, and it runs 95.14% against its 95.14%.
5 of the 6 published returns above beat 95.14%, topped by Big Bass Splash at 96.71%, and Primal Fury sits lowest at 95.14%.
Its 7,500x ceiling is well under the 15,000x middle of that set, where Gates of Olympus Super Scatter reaches 50,000x.
1 of the 6 comes from Riddec Games as well; the rest are Pragmatic Play.
It is the most recent of the 7 dated here, 50 months on from Big Bass Splash.
Every one of them carries Multiplier, Free Spins, Buy Bonus as well. Expanding Wilds is the one only one of them shares.
Ultimate KO questions
Is Ultimate KO different from Primal Fury?
Not on any figure this site records. Both return 95.14%, cap at 7,500x, run a 3x3 grid, carry the very high rating and list the same seven mechanics. The artwork and the theme are the difference, which makes the choice between them a matter of taste rather than of numbers.
What does very high volatility mean on a 3x3 grid?
That the 95.14% return is held back for rare outcomes even though the board has only nine positions and the ceiling stops at 7,500x. Expanding wilds, on 27 games here, are the mechanism: a single wild covering a full column is what makes a small grid capable of a large result.
What is the RTP of Ultimate KO?
95.14%, as published by Riddec Games, which has too few pages on this site to have a median of its own. Against the 220 published returns across the whole catalogue it is 1.06 points below the 96.2% median. 193 of those pages publish a higher figure and 25 a lower one, with 1 matching it exactly.
Can I play Ultimate KO for free?
Yes. The build above is the one Riddec Games ships, at the same 95.14% return and the same 7,500x ceiling; only the credits are virtual, and there is no deposit or signup. It runs the same 3 reels of 3 rows, 9 positions in total as the paid build.
What is the maximum win on Ultimate KO?
The ceiling is 7,500x the stake, so a $1 spin caps at $7,500. Across the 219 published ceilings the median is 10,000x, and 143 of them reach further than this one, while 1 stop at the same figure. At a $5 spin that is $37,500.
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Written by Tasho Tashev
Slots & Crypto-Casino Editorial Author