Excalibur Review

Joe Napier
September 3, 2026
Excalibur

Release Date

Mar 1, 2011

Provider

NetEnt

RTP

96%

Volatility

Low

Max Win

2,000x

Hit Frequency

30.0%

Min Bet

0.2

Max Bet

80

Excalibur is a classic NetEnt video slot built around Arthurian legend, bringing King Arthur, Merlin and the mythical sword to a traditional 5×3 reel set. Its medium volatility combines a 95.08% RTP, 35% hit frequency and maximum payout of 1,800x the stake, with x2 and x4 Wild multipliers providing much of its character. The RTP sits below the 96% level common among newer releases, making verification particularly important. UK players can access Excalibur through licensed casinos carrying the current compliant version.

Casinos Where You Can Play Excalibur in the UK

Key Excalibur Facts

FeatureInformation
Release Date09/07/2012
ProviderNetEnt
ThemeKing Arthur / Medieval Fantasy
Reels & Rows5×3
Paylines/Ways20 Fixed Paylines
Volatility ScoreMedium
UK RTP Version95.08%
Global Max RTP95.08%
RTP Range95.08%
Min/Max Bet (UK)£0.20 – £5.00 (£2 max for ages 18–24)
Max Win1,800x stake
Hit Frequency35.00%

RTP Variation Warning: The verified Excalibur RTP is 95.08%, matching both NetEnt’s current specification and its detailed game sheet. We found no verified lower selectable RTP configuration for this title, so inventing a range would be misleading. Always check the live paytable before playing Excalibur for real money because the version loaded by your casino is the relevant reference.

UKGC Banned Features Check: Excalibur predates the UK’s modern online-slot design rules, and its older documentation includes Autoplay. That functionality cannot operate in a compliant Great Britain version – UKGC rules prohibit Autoplay, features that accelerate results and player-led spin-stop functionality, while requiring at least 2.5 seconds between game cycles. 

Stake Limit Compliance: NetEnt’s actual provider specification gives Excalibur a €0.20–€80.00 betting range, meaning €80 is the game’s original maximum rather than £5. Great Britain’s statutory limits override that ceiling for UK online play – players aged 25+ can stake no more than £5 per game cycle, while adults aged 18–24 are restricted to £2. The £5 figure in our Key Facts table therefore represents the UK regulatory maximum, not Excalibur’s provider-designed maximum.

Responsible Gambling Integration: Excalibur’s medium volatility and 35% hit frequency produce a less extreme mathematical profile than high volatility slots, which concentrate more of their payout potential into less frequent wins. Set deposit and session limits before playing and remember that a relatively high hit frequency does not guarantee profitable spins, as some winning combinations can return less than the original stake.

Fairness & RNG Certification: NetEnt’s official game sheet identifies Fortuna as the cryptographically secure PRNG used for Excalibur and states that its RNG implementation was tested and certified for randomness by an accredited independent third-party facility. The document does not name that laboratory, so attributing Excalibur specifically to eCOGRA, GLI or iTech Labs without a game-level certificate would be inaccurate.

First Impressions: Theme, Graphics & Soundtrack

Excalibur embraces traditional Arthurian fantasy through King Arthur, Merlin, Guinevere, the Lady of the Lake and the magical sword itself, surrounded by ornate medieval styling. NetEnt’s artwork reflects its 2012 origins rather than the more elaborate presentation associated with recent releases found at new online casinos, but the illustrated characters give each premium symbol a distinct identity. The soundtrack reinforces the medieval-fantasy atmosphere, while Wild and Free Spins events add stronger visual and audio feedback. The Golden Excalibur appearing on reel three is particularly easy to recognise because its x4 potential makes it the focal point of the grid. The interface remains clean, with a conventional reel arrangement and 20 fixed paylines requiring little explanation.

Base Game Mechanics & Payouts

Mechanics:
Excalibur operates across five reels, three rows and 20 fixed paylines, with regular combinations paying along active lines. The standard Excalibur Wild substitutes for regular symbols and doubles qualifying wins, while the Golden Wild appears exclusively on reel three and applies a 4x multiplier when substituting in eligible combinations. 

Symbols & Payouts:
Arthurian characters, including King Arthur, Merlin, Guinevere and Lancelot, occupy the premium end of the paytable, while shields and card-rank symbols provide lower-value combinations. The two sword Wilds are more important strategically because they combine substitution with win multipliers.

  • Regular Excalibur Wild: substitutes and applies a 2x multiplier to qualifying wins.
  • Golden Excalibur Wild: appears on reel three and applies a 4x multiplier.
  • King Arthur: premium character symbol.
  • Merlin: premium character symbol. 

A Closer Look at the Bonus Features for Excalibur

Mechanics:
Landing three, four or five Golden Grail Scatters activates 10, 20 or 30 Free Spins, while Free Spins wins receive a 3x multiplier. Three or more additional Scatters during the feature award extra spins, and qualifying Wild wins combine their own multiplier with the Free Spins multiplier. This creates the strongest combinations when an x2 regular Wild or x4 Golden Wild participates during the bonus.

Bonus Weighting:
Excalibur’s published RTP breakdown assigns 60.3% to main-game line wins, 17.1% to Scatter payouts and 17.7% to Free Spins, so this is not a slot where most theoretical return is locked inside the bonus. That is an important distinction – the base game carries the majority of RTP, while Free Spins concentrate the strongest multiplier interactions into a smaller portion of the mathematical model.

From the Player’s Mouth: Real Experiences & Expert Advice

Player Sentiment: Excalibur holds a 7.3/10 player rating from 16 reviews on AskGamblers, with players repeatedly highlighting the medieval atmosphere, multiplier Wilds and Free Spins as its memorable elements. Some long-time players specifically praise the x4 Golden Wild and the way multiplier combinations can transform otherwise ordinary line wins, while its ageing presentation and comparatively modest modern max-win ceiling are clearer drawbacks.

Expert Tips for Volatility:

  • Tip 1: Do not mistake the 35% hit frequency for a 35% chance of making a profit – small payouts still count as hits.
  • Tip 2: Keep stakes stable rather than increasing them while waiting for the Golden Wild or Free Spins.
  • Tip 3: Remember that the base game accounts for 60.3% of RTP, so Excalibur is not mathematically dependent on triggering the bonus.

Excalibur Mobile Performance

Excalibur has been converted to HTML5 and remains compatible with modern browsers, making it accessible through mobile casinos despite originating before today’s smartphone-first slot design. The familiar 5×3 grid scales cleanly onto smaller displays, and 20 fixed paylines remove the need for complicated line configuration. Portrait orientation provides straightforward access to the reels and controls, while landscape gives the medieval artwork more room. Its comparatively simple animations and interface also make the older game easy to navigate on mobile.

Pros & Cons of Excalibur

Pros

  • 35% hit frequency creates an active medium-volatility profile.
  • Regular Wilds can double qualifying line wins.
  • Golden Wilds apply a 4x multiplier from reel three.
  • Free Spins award 10, 20 or 30 initial spins.
  • Free Spins apply an additional 3x win multiplier.

Cons

  • 95.08% RTP is below the 96% benchmark offered by many newer slots.
  • 1,800x maximum payout is modest by current standards.
  • The 2012 graphics look dated beside modern NetEnt releases.
  • Maximum-win probability is not officially published.
  • There is no conventional Bonus Buy.

Is Excalibur Worth Your Time & Money?

Excalibur earns 7.5/10 as a straightforward NetEnt classic, with its x2 Wild, x4 Golden Wild and 3x Free Spins multiplier creating more depth than its conventional 5×3 format suggests. Its main compromises are the 95.08% RTP and 1,800x maximum payout, both of which trail many modern alternatives. 

Choose Excalibur if you prefer traditional online slots built around fixed paylines, Wild multipliers and straightforward Free Spins rather than complex collection mechanics or enormous maximum wins. Its medium volatility and 35% hit frequency create a more measured mathematical profile, while the Arthurian theme and multiplier structure have aged better than the visuals. The gameplay mechanics remain the stronger reason to revisit this NetEnt classic.

Excalibur Frequently Asked Questions

What is the Excalibur RTP in the UK?

NetEnt’s current official specification lists Excalibur at 95.08% RTP. 

Can I play Excalibur for free in the UK?

Yes, a free-play demo of Excalibur exists, although availability depends on the site’s jurisdictional and age-verification rules. 

What is the maximum I can win on Excalibur?

NetEnt currently lists the maximum payout as 1,800x the bet. 

Is there a Bonus Buy in the UK version?

No conventional Bonus Buy is documented for Excalibur – Free Spins are activated by landing three or more Golden Grail Scatters.

Which NetEnt slots are similar to Excalibur?

Arabian Nights and other older NetEnt fantasy slots are suitable alternatives for players who prefer traditional paylines, Wilds and straightforward bonus rounds.

How often does the bonus round trigger in Excalibur?

NetEnt’s detailed game sheet gives Free Spins a 0.67% hit frequency, equivalent to approximately once every 149 spins over the mathematical model. 

Game Type

Video Slot

Game Features

Free Spins Scatter Symbols Wild Symbols

Technical Details

Layout

5x3

Paylines

20

Bet Range

€0.2 - €80