King Colossus builds its bonus round around a royal symbol that can occupy the entire three-reel centre of the grid. King Colossus is a Quickspin slot released on 13 November 2014 with 40 fixed paylines across five reels and three rows. King Colossus adds random locked Wilds to the outer reels when its Free Spins feature begins.
King Colossus presents a treasure chamber filled with gems, playing-card symbols and royal characters. King Colossus pays combinations running from the first reel across any of its 40 fixed lines. King Colossus keeps all paylines active on every paid and free spin.
King Colossus uses stacked symbols in the base game before changing the reel behaviour in the bonus. King Colossus can display the King as a 3x3 symbol across reels 2, 3 and 4 while Wilds occupy reel 1 and sometimes reel 5. King Colossus leaves the placement of every stack and feature symbol to the random game result.
King Colossus has the following verified specifications:
King Colossus carries a Wildz RTP of 96.57%, a medium volatility rating and an available demo. King Colossus stake displays and mathematical versions can differ between operators, making the loaded game’s information panel the final reference for the active configuration.
King Colossus compares the stopped symbols with the paytable after each independently generated spin. King Colossus awards a line when enough matching symbols connect from left to right on one of the fixed paths. King Colossus adds simultaneous line awards together before updating the displayed balance.
King Colossus can place the King or Wild in a vertical stack, allowing one reel to contribute to more than one line. King Colossus still needs eligible symbols on the other reels before those stacks produce a payout. King Colossus cannot be influenced by stopping the reels at a chosen moment or by repeating a previous bet.
King Colossus features stacked King and Wild symbols during its regular spins. King Colossus uses the Wild as a substitute for eligible standard icons when the replacement forms a paying line. King Colossus can create several separate combinations when one Wild stack intersects multiple paylines.
King Colossus follows the exact substitution rules printed in the game information screen. King Colossus does not guarantee a win whenever stacked symbols appear, because each line requires a complete qualifying sequence. King Colossus keeps those stacks random and does not reward a particular stake-setting pattern.
King Colossus expands the title character into a 3x3 Massive King Colossus symbol in Free Spins. King Colossus places this large symbol across all three rows of reels 2, 3 and 4 when it appears fully. King Colossus thereby makes the middle of the grid act as one block of matching King positions.
King Colossus can pair the large King with Wilds on reels 1 and 5 to build full-width combinations. King Colossus does not let the player decide when the symbol enters the visible window. King Colossus also does not make a maximum-size King appearance certain during any given set of Free Spins.
King Colossus places one or more random locked Wild symbols on reel 1 during Free Spins. King Colossus may also add a locked Wild to reel 5, surrounding the three-reel Massive King area. King Colossus uses these Wilds as substitutes under the normal paytable conditions.
King Colossus keeps each selected Wild position fixed for the applicable bonus play. King Colossus still requires a valid connection across the middle reels before the outer Wild produces a line award. King Colossus does not provide a control for choosing the Wild position or forcing an additional Wild onto reel 5.
King Colossus triggers 5 Free Spins when Bonus symbols land on reels 2, 3 and 4. King Colossus activates both the Massive King and random locked Wild mechanics for the feature. King Colossus can add further spins when +1 or +2 Free Spin symbols appear on the linked middle reels.
King Colossus carries the triggering wager into the bonus and settles each free spin randomly. King Colossus does not promise an extra-spin symbol, a full 3x3 King or a line using both outside reels. King Colossus cannot be made to extend the feature by altering the speed or timing of play.
King Colossus has an RTP of 96.57% in the MGA build listed by Wildz. King Colossus expresses this percentage as a theoretical return over extensive play rather than a session target. King Colossus can produce a short-term result far above or below the published figure.
King Colossus players should confirm the RTP shown inside the game before staking money. King Colossus configurations may vary by operator even when the title and graphics look the same. King Colossus never makes an individual account progressively entitled to recover a fixed share of earlier wagers.
King Colossus is rated 5.24 on Wildz’s 1-10 scale, placing it in the medium volatility band. King Colossus can return smaller line combinations while reserving its most distinctive reel setup for Free Spins. King Colossus may also produce stretches where the stacks fail to connect across enough reels.
King Colossus volatility measures the pattern and spread of possible awards, not the certainty of winning. King Colossus does not increase the chance of a feature because several base spins have passed without one. King Colossus players can control their budget and session length, but not the random result sequence.
King Colossus has a documented maximum payout of 500x the stake. King Colossus can combine the Massive King with outside Wilds and several active paylines when constructing a feature result. King Colossus applies the triggering bet to the final award calculation.
King Colossus treats 500x as the upper mathematical outcome, not as a routine feature value. King Colossus does not make that ceiling more likely when the stake is raised or a longer session is played. King Colossus players should compare the limit with their own budget without interpreting it as a forecast.
King Colossus can be started after the player reviews the paytable, chooses a total stake and confirms that all 40 fixed paylines are active. King Colossus generates a new five-reel result whenever the spin control is pressed. King Colossus opens Free Spins automatically when the required Bonus symbols appear on reels 2, 3 and 4.
King Colossus real-money play requires an account that meets the age, identity and location rules applying to the player. King Colossus players should read the casino’s currency, deposit and responsible-gambling terms before placing a wager. King Colossus stake changes affect the value at risk and potential award, but do not change the randomness of the reels.
Yes, King Colossus is available in desktop and mobile formats. King Colossus fits its five reels, stake controls and paytable onto compatible phones and tablets. King Colossus keeps the same 40 paylines and central bonus mechanics on supported mobile devices.
King Colossus mobile sessions generally run through a modern browser and a stable internet connection. King Colossus uses the same account verification and responsible-gambling controls as desktop play. King Colossus screen size or connection speed can affect presentation, but neither factor improves reel outcomes.
Yes, King Colossus has demo play listed as available at Wildz. King Colossus uses virtual credits in this mode so the fixed lines, Wild substitutions and Free Spins can be examined without a real-money stake. King Colossus does not convert a demo balance or demo award into cash.
King Colossus demo results do not reveal which outcomes will occur after switching to real-money play. King Colossus remains randomly generated in either format, with each round independent of earlier practice spins. King Colossus players should use the demo to understand controls and rules rather than to test a betting system.
King Colossus online play in Canada is governed mainly by provincial and territorial rules rather than one federal online-casino regulator. King Colossus players must satisfy the legal age and account checks applying where they are located. King Colossus casino terms should also be reviewed for currency, payments and responsible-gambling controls.
King Colossus uses the same verified game mechanics regardless of the player’s Canadian dollar display. King Colossus stakes and awards may be converted or presented in the account currency selected by the operator. King Colossus probabilities do not improve because a different currency or payment method is used.
King Colossus players in Alberta must be at least 18 years old, while Alberta’s regulated private iGaming market has operated since 13 July 2026 under AGLC oversight and Alberta iGaming Corporation commercial agreements. King Colossus regulatory context elsewhere depends on the relevant province or territory. King Colossus players should check the current local framework before opening or funding an account.
King Colossus players in other parts of Canada generally face a minimum age of 18 or 19, depending on the province. King Colossus identity and location checks can be required by both regulation and casino terms. King Colossus should always be played with deposit, loss and time controls suited to the player’s budget.
| 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 |
| Other provinces and territories | 18 or 19, depending on location | Relevant provincial or territorial authority | Rules and online-casino structures vary by jurisdiction |
Min/Max Bet:
0.40 –
120.00
Volatility:
Medium
(5.24/10)
Platform:
Desktop & Mobile
Developer:
Quickspin
Game Type:
Slots