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Online Casino Games - Rules Explained

Heart of the Jungle

5-Reel, 50-Line Slot4 Free Spin Modes

The objective of playing Heart of the Jungle online slot is to spin the reels and land matching symbols on the paylines. Unlike traditional casino games, such as online roulette or blackjack, Heart of the Jungle evolves over time, as you can unlock new bonus features the more you play.

How to Play:

  • Select the bet per line using the +/- buttons underneath the Line Bet Field.
  • Heart of the Jungle slot is always played with 50 active paylines.
  • The Total Bet is therefore calculated as Line Bet x 50.
  • Click on Spin when you have selected your Line Bet.
  • You can set a number of spins to be played automatically using Auto Play. Select the Auto Play button and choose from 10, 25, 50 or 99 Auto Spins. Auto Play will pause if the Free Spins Bonus has been awarded. You can stop Auto Play at any time by selecting Stop Auto Play, which replaces the Spin button.
  • You can switch on Turbo Mode to speed up the animations of the reels spinning etc. to enable faster play.
  • A winning spin will be clearly highlighted on the reels. The total win from a spin will be shown in the Win Field.
  • All payouts are displayed on the Paytable, which can be accessed through the Info button on the bottom left of the screen. To calculate the value of a Line Win (matching symbols on a payline from left to right), multiply the payout shown by the Line Bet.

Info Pages:

You can open the Info Pages by clicking the Info button on the bottom left of the screen. You can move through the various pages by using the arrows on the bottom right of the screen. To return to the reel select Back. The Info Pages are described below:

Paytable – this page displays the Paytable, which shows all possible payouts for winning combinations.

Jungle Trail – this page describes the awarding of Jungle Trail Free Spins,

Deep Jungle – this page describes the special features of Deep Jungle Free Spins.

Crystal Falls – this page describes the special features of Crystal Falls Free Spins.

The Golden Mountain – this page describes the special features of The Golden Mountain Free Spins.

Lost City of Zantar – this page describes the special features of Lost City of Zantar Free Spins.

Achievements – this page details the different achievements that can be made and recorded when playing Heart of the Jungle slot.

Paylines – this page displays illustrations showing where all 50 paylines appear on the reels.


Paylines are the directions that matching symbols must follow from left to right across the reels to pay as Line Wins. There are 50 fixed paylines used in this slot.

Please note: there is a difference between the Line Bet and the Total Bet. The Line Bet is the wager made on each individual payline. The Total Bet is the amount bet on all paylines, i.e. Line Bet x 50.

About Payouts:

The payouts for all possible winning combinations are listed on the Paytable. Multiply the figure shown by the Line Bet to calculate the value of a Line Win.

Only the highest win is paid on each payline. Multiple wins can occur on different paylines; these are added together and paid as a total win.

A Line Win must begin on Reel 1 and be in an unbroken chain of at least three symbols on a payline.

Wild Symbol:

The Wild Symbol can substitute for all other symbols (except Scatter Symbols) to form the best possible Line Win.

Three or more Wild Symbols falling on a payline (beginning on Reel 1) can form their own unique Line Win with a separate payout.

Scatter Symbol:

The Scatter Symbol appears on Reels 1, 3 and 5 only. They do not have any payout value. Instead, you will be awarded Jungle Trail Free Spins if you land three Scatter Symbols in any position on the reels.

Stacked Symbols:

All Symbols (apart from Scatter Symbols) can appear stacked on the reels. This means they can cover every position on each reel, which can potentially lead to 50 Line Wins in a single spin. If multiple stacks of the same symbol appear in a Line Win, it will be highlighted by animations on the reels.

Jungle Trail Free Spins:

Three Scatter Symbols landing simultaneously on Reels 1, 3 and 5 will award Jungle Trail Free Spins. There are four different levels of Free Spins that can be unlocked on the Jungle Trail: Deep Jungle, Crystal Falls, The Golden Mountain and the Lost City of Zantar.

Deep Jungle Free Spins:

This is the first Free Spins award on the Jungle Trail. You will be awarded Deep Jungle Free Spins the first four times you land three Scatter Symbols on the reels. It works as follows:

  • You are awarded 8 Free Spins and 1 Ultra Spin.
  • All Free Spins wins are subject to a 5x Multiplier.
  • The final, Ultra Spin, will be played with a 7x, 10x, 15x, 20x or 25x Multiplier (randomly chosen).

Crystal Falls Free Spins:

This is the second Free Spins award on the Jungle Trail. It will be unlocked after the fifth time you land three Scatter Symbols on the reels. It works as follows:

  • You are awarded 10 Free Spins with Wild Stacks.
  • Up to four Wild Stacks can land on the reels randomly after each spin.

The Golden Mountain Free Spins:

This is the third Free Spins award on the Jungle Trail. It will be unlocked after the 10th time you land three Scatter Symbols on the reels. It works as follows:

  • You are awarded 15 Free Spins with Shifting Wilds.
  • The reels will spin in both directions.
  • When a Wild Symbol falls on the reels, it will remain there for the duration of the Free Spins. It will shift its position up and down, depending on which way the reels are spinning.

Lost City of Zantar Free Spins:

This is the fourth and final Free Spins award on the Jungle Trail. It will be unlocked after the 15th time you land three Scatter Symbols on the reels. It works as follows:

  • You are awarded 25 Free Spins with a special Wild Multiplier Symbol.
  • The Wild Multiplier will move left or right along the middle of row of all reels.
  • The Wild Multiplier can multiply the value of any Free Spins win up to 5x.

Important information on Free Spins:

  • When one of the Free Spins stages has been unlocked, you can still select any stage that has been previously unlocked.
  • All Free Spins are played automatically.
  • Free Spins cannot be retriggered.
  • Free Spins are played at the same Line Bet as the triggering spin.
  • When Free Spins have ended, a summary screen will appear detailing the total win.
  • Select Continue to return to the main game.

Payment Boost:

The Jungle Trail will continue after the Lost City of Zantar Free Spins has been unlocked. As you progress up the Jungle Trail (by being awarded Free Spins), you can unlock more Payment Boosts that are applied to Free Spins. These are shown on the table below:

Number of times Free Spins awarded

Payment Boost


1 Extra Free Spin for Deep Jungle Free Spins.


2 Extra Free Spins for Crystal Falls Free Spins.


3 Extra Free Spins for The Golden Mountain Free Spins.


5 Extra Free Spins for Lost City of Zantar Free Spins.


When you play Heart of the Jungle slot, your personal Achievements will be recorded. There are 64 Achievements in total, ranging from Super Big Win to Win One Bonus Game. The Achievements are listed on the Achievements Info Page. These are recorded even when you log out of the casino.

Return to Player:

The theoretical RTP (Return to Player) is 95.00%.


The following buttons are used to play the slot:

Info – select this to open the Info Pages, which includes the Paytable and the Jungle Trail.

+/- Line Bet – select these buttons to adjust the Line Bet.

Auto Play – select this to choose a number of spins to be played automatically.

Spin – select this to spin the reels at the current bet.

Turbo Mode – select this to speed up the animations of the reels spinning for faster play.

Casino Toolbar:

The Casino Toolbar runs along the top and bottom of the game screen. It contains the following tools and displays:

Game Balance – this is your current available balance at William Hill Casino.

Cashier – this is the main banking tool at the casino. Select it to make deposits/withdrawals or to view your transaction history.

Play for Real Money – this option will only appear when you are playing online casino games in Fun Mode. Select it to play Heart of the Jungle for real money.

Menu –select this button to access the following tools:

  • History – see the history of recent spins.
  • Options – adjust game settings, including audio, speeds and graphics.
  • Help – load these info pages.
  • Online support – access online customer support.

Close – select this button to exit from the current game tab and return to the casino lobby.

Quick Deposit – select this to make quick deposits without opening the Cashier. It may appear once per session in a pop up window if your balance is running low.

Gadget Bar – when it is enabled, the Gadget Bar appears along the right-hand side of the game screen. It could contain information on William Hill Casino bonus offers and promotions, or allow you to play mini casino games alongside the current one.

Note on Disconnections:

If you lose internet connection in the middle of a spin in the main game, that spin will be completed. You can view the outcome by accessing History when you have reconnected to the internet. If you are playing in Auto Play Mode, the next scheduled spin only will be completed.

If you lose internet connection when playing Jungle Trail Free Spins, you will be redirected back to the game when you log into the casino again. You will be able to continue playing the feature from where you left off. All special features will be restored to the position before the loss of connection.

Note on Malfunctions:

A malfunction will void all bet, with the stake returned to the player.

How to play casino games

Here's a rundown of some of our most popular online casino games, including how to play them, and which offers the highest payouts.

Online slots

Online slots are played more than any other online casino games. They’re relatively simple to play, which makes them a great option for beginners. Slots can also offer large payouts, particularly for a jackpot win.

Playing slots online is very straightforward. The simplest form of online slots are three-reel slots, which are based on the traditional fruit machines you may have seen in arcades. In these slots, you’ll see three columns and three rows of symbols, with the middle row being the payline. You place your bet and spin the reel, and if you get a winning combination, you win the amount stated on the paytable.

There are many other kinds of slots online available at William Hill Canada, such as five-reel slots and video slots, but they essentially work in the same way. While the odds of winning at slots are slimmer than other online casino games, they do allow you to play with small stakes on a wide variety of slots. Slots with a jackpot offer a larger prize pool, so let’s have a look at those next.

Jackpot slots

The main difference between regular online slots and jackpot slots is that the former have a lower maximum payout. With jackpot slots, however, there are larger top prizes, sometimes offering up to a seven-digit win on just a single spin.

While 'jackpot' can refer to a fixed huge cash prize awarded during jackpot games, the term is also used to describe progressive slot games. For fixed jackpot slots the size of the jackpot is, well, a fixed amount. With a progressive slot, the size of the jackpot increases each time a player places a bet on the game. Progressive jackpot slots are a great way to add to your online gambling experience. These games can offer some of the most exciting experiences of all casino games, as they provide you with the chance to win the biggest payouts you'll find online.

Online roulette

Online roulette games consist of a wheel with spaces that are either red or black and are numbered from 1-36. This popular game is easy to learn and even easier to play. All you need to do is predict where the ball will land and place your bet. The roulette wheel then spins, and if it lands on where you placed your bet, you win.

You may think that only one variant of roulette exists in online casinos, as this is typically the case at real-world casinos. However, at William Hill Canada, you’ll find multiple variants available, including a European version with one zero, and an American version with two. You’ll also find a French version that offers slightly improved odds if you bet on an even-money proposition.

Online blackjack

To win at online blackjack, you need a higher number than the dealer without exceeding 21. You are dealt two cards and can ask for another card as many times as you want before you reach 21.

One of the great things about playing online blackjack is the number of variants available. At a real-world casino, you’re restricted to just one or two games, but you'll find more here at William Hill Canada, including Blackjack Scratch, Royale Blackjack, and Blackjack Super 21.

Live casino games online

This is where online casino technology really comes into its own. Some players enjoy the thrills provided by a real-life casino but also enjoy the convenience of playing online. Live casino offers the ultimate experience to these players. The only difference between playing live casino at home and playing at a land-based casino is that with the former, the action is live-streamed to your device.

You’ll be playing at real tables, with real cards, and with real croupiers dealing your cards or spinning the wheel. Depending on the game, you'll also be playing with other players from all over the globe. With the ability to enjoy live chat with both players and the dealer, live casino offers a fantastic opportunity to enjoy an immersive experience while playing your favourite casino games online.

Enjoy free online casino games with casino bonuses

An online casino bonus is a great way to boost your balance with extra funds and make playing your favourite online slots even more fun. Casino bonuses come in a number of different forms and are applicable to a variety of online casino games.

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