By Paul Miller, Slots Editor · Published · Last updated 
Centurion has a history most online slots simply don't: before it was ever a website game, Inspired Gaming's Roman legionnaire was a fixture of British bookmaker shops, spinning on Fixed Odds Betting Terminals under UK stake and prize limits long before its online release. That FOBT-to-online journey has produced a genuinely tangled family tree, and if you're hunting for slots like Centurion, this page cuts through some real naming confusion — including aggregator data we found duplicated across two different games — to compare the four titles that actually check out.
Where to Play Centurion Slots
All four Centurion games at a glance
All four Inspired Gaming, all built around the same Roman-legion betting-shop legend — figures checked 6 July 2026:
| Game | Year | Layout | RTP | Max win |
|---|---|---|---|---|
| Centurion | 2016 | 5x3, 20 paylines | ~96% | Not confirmed |
| Centurion Free Spins | 2017 | 5x3, 20 paylines | 95.00% | Not confirmed |
| Centurion Megaways | 2020 | 6 reels, up to 117,649 ways | 95.90% | 12,500x |
| Centurion Maximus Winnus | 2020 | 5x3 + 5x6 bonus set, 50 lines | 95.00% | 1,025x |
Centurion's own RTP has no single universally published figure — sources describe it as "just under 96%" with operator-configurable variants, so no exact number is stated here. Neither Centurion nor Centurion Free Spins has a confirmed online max-win figure in any source we checked, so none is invented. Centurion Maximus Winnus's numbers are the most contested in this family — several aggregator sites appear to have copied Centurion Megaways' spec sheet onto this title by mistake; the figures shown above come from Betfair's own first-party game page instead, which we judged more trustworthy. A separate 2024 title, Centurion Big Money, is a Centurion-themed reskin of an unrelated existing Inspired game (Cops 'n' Robbers Big Money) rather than an original Centurion design, so it isn't reviewed as part of this family.
Every game, reviewed
1. Centurion
Released 7 October 2016, the original Centurion runs on a 5x3, 20-payline grid built to translate the feel of a British bookmaker terminal onto a web browser — reviewers specifically call out its faithfulness to that betting-shop experience. A horn sound signals random reel modifiers during base play, and a feature trail/wheel-spin mechanic leads to one of four bonus rounds: Caesar's Free Spins, the dice-style Road to Rome multiplier trail, the stake-multiplier Prizes on Parade collection round, and the top-tier wild-reels Reelus Maximus. Published RTP sits at "just under 96%" with operator-configurable variants noted by at least one source, and Medium volatility. No max-win figure is disclosed anywhere we could verify, so none is stated here.
2. Centurion Free Spins
Released 19 September 2017 as a genuine follow-up rather than a reskin, Centurion Free Spins keeps the same 5x3, 20-payline structure but leans harder into its namesake feature: 3, 4 or 5 scatters award 9, 12 or 16 free spins respectively, with the wild becoming a stacked wild that appears more often once the bonus starts. Reel modifiers — Big Win, Super Bonus Reels, Reelus Maximus, and a guaranteed 5 of a Kind win with a 1x-7x multiplier — are triggered by the same Centurion trumpet cue as the original. An optional Fortune Bet side wager, costing 50% of the base stake, increases both bonus-symbol size and modifier frequency. Published RTP is 95%, on the lower side for the genre by at least one reviewer's own note, and no online max-win figure is published anywhere we found.
3. Centurion Megaways
Released 30 June 2020, Centurion Megaways is the most mechanically ambitious entry: 6 reels of 2 to 7 symbols each for up to 117,649 ways to win, using the Megaways mechanic under standard licence from Big Time Gaming — built by Inspired itself, not handed off to a different studio. Cascading reels remove winning symbols for new drops, five reel modifiers (Big Win, Super Bonus Reels, Minimum Ways, Maximum Ways, Mystery Symbol) can fire on any spin, and a scatter-triggered bonus wheel leads into Prizes on Parade, Caesar's Free Spins or Wild Power Spins, each with a "Super" upgrade tier for bigger multipliers. Published at 95.90% RTP, Medium volatility (some sources say medium-high), and a confirmed 12,500x max win — stated on Inspired's own page as a £250,000 cash cap at the maximum £20 stake, the same figure expressed two different ways rather than a real disagreement.
4. Centurion Maximus Winnus
This is genuinely the messiest entry to pin down — and even the box art doesn't help: "Maximus Winnus" (mock-Latin for "maximum win") is stamped directly onto the core Centurion wordmark used across operator listings for the base game too, so the two titles share near-identical branding despite being different products. This specific title is real — not a fan nickname — but several review aggregators appear to have copied Centurion Megaways' own spec sheet onto its page, producing an identical 95.9% RTP and 117,649 ways that don't match what a fixed-payline "Maximus Winnus" game should look like. Betfair's own first-party casino page tells a more credible story: a 5x3 base reel set plus a 5x6, 50-line bonus reel set, 95.0% RTP, and a 1,025x max win. We've used Betfair's numbers here rather than the duplicated figures elsewhere, and we're flagging the discrepancy openly rather than picking a number and hoping it's right.
Slots Like Centurion? Some Aren’t Actually New Games
Beyond the four games reviewed here, Inspired's Centurion branding stretches further than most slot franchises we've covered. A 2024 release, Centurion Big Money, sounds like an original entry but is actually a Centurion-themed reskin of a completely different existing Inspired game, Cops 'n' Robbers Big Money — confirmed directly by Inspired's own press release. There's also Centurion Bigger Big Money, whose published specs contradict each other across sources badly enough that we're not attempting to resolve them here, and two retail/Server-Based-Gaming-only siblings, Centurion Potimus Maximus and Centurion Reelus Maximus, both confirmed real on Inspired's own site but with no online RTP or max win published for either. If you're trying to track down a specific "Centurion" title and it isn't one of the four reviewed above, there's a good chance it's one of these retail-only or reskinned siblings rather than a fifth genuine online entry.
Centurion: quick facts
| Provider | Inspired Gaming |
|---|---|
| First released | 7 October 2016 |
| Layout | 5 reels × 3 rows, 20 fixed paylines |
| RTP | Just under 96% (operator-configurable variants exist) |
| Volatility | Medium |
| Max win | Not confirmed in any source checked |
| Signature feature | Feature trail/wheel spin into four bonus rounds, including Reelus Maximus and Road to Rome |
✓ Facts checked 6 July 2026
The maths: only two games have a published ceiling
What a hundred £1 spins costs at each game's default published RTP:
| Game | House edge | £1 × 100 spins |
|---|---|---|
| Centurion Free Spins (95.00%) | 5.00% | £5.00 |
| Centurion Maximus Winnus (95.00%) | 5.00% | £5.00 |
| Centurion Megaways (95.90%) | 4.10% | £4.10 |
✓ Calculated from the published RTPs — checked 6 July 2026
Centurion's own RTP isn't precise enough to include in this table honestly, but Centurion Megaways is the clear leader on both RTP and confirmed max win among the four — its 12,500x ceiling is more than 12 times Centurion Maximus Winnus's 1,025x. Session tools on our Responsible Gambling page.
History: a real FOBT legend
Centurion's history is genuinely unusual for an online slot: it began life as a fixture of UK betting shops on Fixed Odds Betting Terminals, where it built a following under the strict UK Category B stake and prize limits (typically £2 per spin, a £500 jackpot cap on the terminal version) years before Inspired brought it online. That retail lineage is why Inspired's own materials describe Centurion as carrying "over 2.5 billion lifetime plays" across its various formats — a figure that spans terminals as well as web browsers. Centurion Free Spins followed as an online-focused sequel in 2017, and by the time Centurion Megaways arrived in 2020, BigWinBoard was calling it "the third instalment" in the series, showing Inspired treating the brand as a durable, multi-format property rather than a single game.
Why this family still matters
Few online slot franchises can claim a genuine betting-shop pedigree predating their web release — Centurion's FOBT roots give it a real point of difference from the wave of online-only cluster-pays and Megaways titles catalogued on our features hub.
Beyond the reels
All four games are part of Inspired Gaming's wider portfolio, which spans both online slots and its long-running Server-Based Gaming retail terminal business for UK bookmakers. Inspired Gaming (UK) Limited holds an active UK Gambling Commission licence (account 1090) to operate across UK-regulated online and retail gambling. Centurion is confirmed live online at William Hill, Paddy Power, Betfair, Bet UK, PlayFrank, Rainbow Riches Casino and 21.co.uk, with Centurion Megaways separately confirmed at Bet UK, Gala Bingo, LottoMart and PlayOJO.
What players say
Players consistently rate Centurion Megaways as the most rewarding entry thanks to its confirmed 12,500x ceiling and the largest set of named bonus features in the family. The original Centurion draws a different kind of loyalty from players who remember it from betting-shop terminals and enjoy the online version's faithfulness to that experience, while Centurion Maximus Winnus's narrower operator distribution and contested spec sheet make it the least-discussed entry of the four.
Win potential
None of the four games has a big-win story we could stand behind — the closest thing to a named, dated record we found across Centurion, Centurion Free Spins, Centurion Megaways and Centurion Maximus Winnus was anonymous forum chatter, not anything a second source could confirm, so nothing is published here. What's genuinely documented is the split in published ceilings: Centurion Megaways' 12,500x max win is the only one of the four backed by a first-party Inspired source, more than 12 times Centurion Maximus Winnus's 1,025x, while neither Centurion nor Centurion Free Spins has any max-win figure published at all.
The best Centurion slot, once you sort fact from copy-paste
| If you want… | Play | Why |
|---|---|---|
| The biggest confirmed ceiling | Centurion Megaways | 12,500x max win, the only figure backed by a first-party source |
| The original betting-shop classic | Centurion | The faithful web version of the FOBT original |
| More free spins, same format | Centurion Free Spins | Up to 16 free spins with a more frequent stacked wild |
| A fixed-payline bonus-set structure | Centurion Maximus Winnus | 5x3 base plus a distinct 5x6, 50-line bonus set |
Our verdict on Centurion
Sister Slots score: 6/10 — a genuine betting-shop legend whose online family is more interesting for its history than its numbers.
| Features | 6/10 — solid, familiar bonus-round structure across all four |
|---|---|
| Win potential | 6/10 — only Centurion Megaways has a confirmed, competitive ceiling |
| Design | 6/10 — functional Roman theming, more retail-terminal than modern online slot |
| Playability | 6/10 — Medium volatility throughout, nothing too punishing |
Play here if you want a slot with genuine UK betting-shop history and don't mind a family where not every number is nailed down. Look elsewhere if you want a big confirmed ceiling on every entry — only Centurion Megaways delivers that here.
Centurion FAQs
Who makes Centurion?
Inspired Gaming, originally released on UK betting-shop terminals before coming online.
How many Centurion games are there?
Four fully reviewed online entries: Centurion (2016), Centurion Free Spins (2017), Centurion Megaways (2020) and Centurion Maximus Winnus (2020). A 2024 title, Centurion Big Money, is a reskin of a different Inspired game, and two more, Centurion Potimus Maximus and Centurion Reelus Maximus, are retail-terminal-only.
Is "Centurion Free Spins" a real, separate game?
Yes — it's a genuine, distinctly catalogued 2017 sequel, not just a description of a feature inside the original.
What is the RTP of Centurion Megaways?
95.90%, with a confirmed 12,500x max win (£250,000 cash cap at the maximum £20 stake).
Why are Centurion Maximus Winnus's numbers different from other sites?
Several aggregators appear to have copied Centurion Megaways' spec sheet onto this title by mistake. We used Betfair's own first-party game page instead: 95.0% RTP and a 1,025x max win.
Did Centurion really come from betting-shop machines?
Yes — it has a confirmed history on UK Fixed Odds Betting Terminals, running under standard UK stake and prize limits, before Inspired brought it online.
Which game has the biggest confirmed max win?
Centurion Megaways, at 12,500x — the only figure in this family backed by a first-party Inspired source.
Are these slots fair?
Yes — Inspired Gaming operates under UK gambling regulation with independently tested RNGs.
Sources & Verification
Primary sources checked 6 July 2026, re-verified 9 July 2026: cross-referenced published RTP/max-win figures given no live Inspired-branded Centurion game page currently exists; and the UK Gambling Commission’s public register (Inspired Gaming (UK) Limited, account 1090).
Paul edits Sister Slots’ UK slot-family guides. He researches provider histories, mechanics and published game data, checking material claims against provider sources and relevant public records. Unless a page states a dated hands-on method, it reflects documented editorial research rather than real-money play. More about Paul →