Book of King Arthur brings the familiar expanding-symbol format to an Arthurian setting. Book of King Arthur runs on 5 reels and 3 rows with 10 fixed paylines, while its Book symbol doubles as a wild and scatter. Book of King Arthur adds a two-cost Boost option and a free-spins feature with a randomly chosen expanding symbol.
Book of King Arthur uses King Arthur, Excalibur, the Holy Grail and heraldic designs as its higher-value imagery. Book of King Arthur forms ordinary line wins from the first reel across neighbouring reels. Book of King Arthur moves into its principal feature after three or more Books land in any positions.
Book of King Arthur was released by Just For The Win on 20 April 2021. Book of King Arthur keeps all ten paylines active at every standard stake. Book of King Arthur changes the behaviour of wilds only when Boost is deliberately selected.
Book of King Arthur has these verified game facts:
Book of King Arthur carries a Wildz desktop RTP of 94.07% and a volatility score of 8/10. Book of King Arthur has separate device configurations, making the information screen in the active version the final reference for current game settings. Book of King Arthur offers a fixed maximum rather than a progressive jackpot.
Book of King Arthur pays when enough matching icons occupy an active line under the paytable rules. Book of King Arthur has 10 fixed paylines, so none need to be switched on or off. Book of King Arthur calculates each completed spin from the selected stake before the next round begins.
Book of King Arthur generates each reel stop independently through its random system. Book of King Arthur does not react to whether the previous spin won or lost. Book of King Arthur outcomes cannot be made certain by altering spin speed, stake timing or session length.
Book of King Arthur makes the Book a substitute for regular paying symbols when it acts as a wild. Book of King Arthur also counts the Book anywhere on the grid as a scatter. Book of King Arthur starts free spins with a minimum of 3 Books.
Book of King Arthur awards 2x for three Books, 20x for four and 200x for five. Book of King Arthur pays the scatter amount alongside the triggered feature according to its paytable. Book of King Arthur does not let the player place Books or influence how many arrive.
Book of King Arthur lets the player switch on Boost before a spin. Book of King Arthur charges twice the ordinary total stake while this setting remains active. Book of King Arthur turns every landing wild into a full-reel wild across all three positions.
Book of King Arthur applies expanded wilds in the main game and during free spins under Boost. Book of King Arthur cannot combine Boost with the direct feature purchase. Book of King Arthur changes the feature conditions but never guarantees that the required wild will land.
Book of King Arthur begins its bonus with 10 free spins and a round-table selection. Book of King Arthur uses that selection to nominate one non-Book symbol as the special expanding symbol. Book of King Arthur expands it on its reels when the expansion completes a paying combination.
Book of King Arthur allows the selected symbol to pay on all lines from any reel without adjacency. Book of King Arthur grants another 10 free spins after three or more Books retrigger the round. Book of King Arthur keeps the selected symbol and every subsequent appearance random.
Book of King Arthur is listed with a desktop RTP of 94.07% at Wildz. Book of King Arthur RTP is a theoretical percentage measured over extensive play, not a return promised to one account. Book of King Arthur can deviate substantially from that rate in a short session.
Book of King Arthur may present a different RTP on another supported device. Book of King Arthur players should consult the game information panel each time the configuration changes. Book of King Arthur RTP cannot identify when a win or feature will occur.
Book of King Arthur has a Wildz rating of 8/10, placing it in the high-volatility category. Book of King Arthur may distribute results unevenly and can require longer gaps between more valuable combinations. Book of King Arthur stakes should be chosen with that variation in mind.
Book of King Arthur volatility is not a countdown to a payout. Book of King Arthur remains capable of either a win or a loss after any previous sequence. Book of King Arthur does not become easier to predict during a longer session.
Book of King Arthur has a fixed maximum win of 5,000x the stake. Book of King Arthur can use expanded wilds and the special free-spins symbol to form line awards within that ceiling. Book of King Arthur does not feed or award a progressive prize pool.
Book of King Arthur places the maximum at the upper limit of its programmed paytable. Book of King Arthur does not make that result probable merely because a player uses Boost or buys the feature. Book of King Arthur can award only the reel result that occurs on the relevant spin.
Book of King Arthur starts after the player reviews the paytable, chooses a stake and presses spin. Book of King Arthur keeps all 10 paylines active, simplifying the setup to stake and optional-feature choices. Book of King Arthur should be played only after the doubled Boost cost is understood.
Book of King Arthur may include an 80x free-spins purchase where the applicable rules permit it. Book of King Arthur does not allow that purchase while Boost is active. Book of King Arthur players should also confirm currency, limits and exact RTP inside the operator’s version.
Yes, Book of King Arthur is offered for compatible mobile devices. Book of King Arthur adapts its five reels and feature buttons for phone and tablet screens. Book of King Arthur preserves the same named mechanics while device-specific maths may differ.
Book of King Arthur mobile sessions use the operator’s supported browser interface. Book of King Arthur players should open the mobile information panel to verify the displayed RTP and betting limits. Book of King Arthur mobile outcomes remain random and independent from desktop play.
Yes, Book of King Arthur is marked as available in demo mode by Wildz. Book of King Arthur uses non-cash credits in free play and cannot produce a withdrawable prize. Book of King Arthur demo mode can be used to inspect the paytable and feature sequence.
Book of King Arthur free rounds do not improve the odds in a later paid session. Book of King Arthur keeps each spin random in either mode. Book of King Arthur demo access still depends on the casino’s account rules and location terms.
Book of King Arthur can appear through online casinos operating under the legal and contractual framework relevant to a player’s province. Book of King Arthur users should check the operator’s licence information, age requirement and payment conditions before registering. Book of King Arthur game settings can vary between operator and device versions.
Book of King Arthur is listed by Wildz with a demo option and a desktop RTP of 94.07%. Book of King Arthur players should rely on the information panel shown in their own session for the active configuration. Book of King Arthur availability is governed by the casino’s terms and applicable provincial rules.
Book of King Arthur online casino rules are principally provincial rather than set by one federal gaming regulator. Book of King Arthur players face a minimum legal gambling age of 18 or 19, depending on the province or territory. Book of King Arthur should be accessed only through an operator whose terms accept the player’s location.
Book of King Arthur play in Alberta sits within the regulated private iGaming market overseen by AGLC, with commercial functions handled by the Alberta iGaming Corporation. Book of King Arthur regulatory context in Ontario involves AGCO and iGaming Ontario, with participation limited to registered operators. Book of King Arthur players elsewhere should review the authority and market structure that applies locally.
| Province or territory | Legal Casino Gambling Age | Main Regulator | Market Structure |
|---|---|---|---|
| Alberta | 18+ | AGLC / Alberta iGaming Corporation | Regulated private iGaming market operating since 13 July 2026 |
| Ontario | 19+ | AGCO / iGaming Ontario | Closed regulated market for registered operators |
| British Columbia | 19+ | Gaming Policy and Enforcement Branch | Provincial framework with government-conducted online gambling |
| Manitoba | 18+ | Liquor, Gaming and Cannabis Authority of Manitoba | Provincial framework with government-conducted online gambling |
| Quebec | 18+ | Régie des alcools, des courses et des jeux | Provincial framework with government-conducted online gambling |
| Other provinces and territories | 18+ or 19+ | Relevant provincial or territorial authority | Rules and permitted market structure vary by jurisdiction |
Min/Max Bet:
0.20 –
100.00
Volatility:
High
(8/10)
Platform:
Desktop & Mobile
Developer:
Jftw
Game Type:
Slots