
Zombie Outbreak by PG Soft
Step into the apocalyptic world of Zombie Outbreak, the latest thrilling slot game from PG Soft that’s set to infect players with its heart-pounding action and potential for monstrous wins. Released on June 11, 2024, this high-volatility slot takes place in a sinister laboratory where a mad scientist’s experiments have gone horribly wrong, unleashing a horde of undead. With its unique 4-5-4-5-4 reel layout offering 1,600 ways to win, Zombie Outbreak combines stunning visuals, an immersive soundtrack, and innovative features like expanding wilds with multipliers and a free spins bonus that never resets. Boasting an impressive RTP of 96.76% and a max win potential of 5,000x your stake, this game is sure to appeal to thrill-seekers and horror fans alike.
Game Info
Attribute | Value |
Game Name | Zombie Outbreak |
Provider | PG Soft (Pocket Games Soft) |
Release Date | June 11, 2024 |
Theme | Horror, Zombie, Survival |
RTP | 96.76% |
Volatility | High |
Layout | 4-5-4-5-4 |
Paylines | 1,600 ways to win |
Reels | 5 |
Minimum Bet | €0.20 / £0.60 |
Maximum Bet | €100 / £180 |
Maximum Win | 5,000x stake |
Features | Expanding Wilds, Multipliers, Free Spins, Collapsing Reels |
Wild Symbol | Male character (appears on reels 2 and 4) |
Scatter Symbol | Radioactive hazard sign |
Free Spins | 15 initial spins (can be retriggered) |
Multiplier Range | x1 to x25 |
Mobile Compatible | Yes |
Bonus Buy | Available (in some jurisdictions) |
Hit Frequency | 25.25% |
Max Exposure | 5,000x (simulated in 1 billion spins) |
Bet Levels | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 |
Autoplay | Available |
Languages | Multiple (varies by casino) |
Theme
Zombie Outbreak, the latest slot from PG Soft, plunges players into a post-apocalyptic world where a viral outbreak has transformed the residents of Dark Valley into flesh-eating zombies. Set against the backdrop of a dimly lit street with ominous laboratory structures, the game captures the essence of survival horror. Players are tasked with navigating through hordes of undead to reach the city center, a beacon of hope for supplies and communication with the outside world. This thrilling slot combines elements of scientific experimentation gone wrong with the classic zombie survival narrative, creating an immersive experience that appeals to both horror enthusiasts and slot aficionados alike.

Graphics, Sound, and Animation
The visual design of Zombie Outbreak brilliantly captures the chilling atmosphere of a world overrun by the undead. The game’s backdrop features metallic structures and the eerie glow of a containment chamber, hinting at the laboratory origins of the virus. Symbols on the reels are intricately designed, ranging from stylized numerals and letters to survival essentials like antidote bottles and med kits, as well as haunting depictions of zombie faces. The animations are smooth and engaging, with the Expanding Wild feature showcasing impressive visual effects. Complementing the graphics is an immersive soundtrack that enhances the suspenseful gaming experience, complete with atmospheric sound effects that bring the zombie-infested world to life. The combination of stunning visuals, fluid animations, and a spine-chilling audio backdrop creates a truly captivating slot game that keeps players on the edge of their seats.

Pros and Cons of Zombie Outbreak
Pros
- Engaging zombie apocalypse theme
- High RTP of 96.76%
- Innovative 4-5-4-5-4 reel layout
- 1,600 ways to win
- Expanding Wilds with multipliers
- Free Spins bonus that never resets
- Impressive max win potential of 5,000x stake
- Stunning visuals and immersive soundtrack
- Mobile-friendly gameplay
Cons
- High volatility may not suit all players
- Complex features might overwhelm beginners
- Limited availability of Bonus Buy feature
- Potentially repetitive base game
- Theme may be too intense for some players
Zombie Outbreak Slot Features
Zombie Outbreak by PG Soft offers a thrilling array of features that bring the post-apocalyptic world to life on the reels. These innovative mechanics not only enhance the gameplay but also provide exciting opportunities for substantial wins. Let’s dive deeper into the heart-pounding features that make this slot a standout in the horror-themed genre.

Unique Reel Layout
Zombie Outbreak breaks away from traditional slot layouts with its distinctive 4-5-4-5-4 reel configuration. This asymmetrical setup creates 1,600 ways to win, offering players an increased chance of landing winning combinations with each spin. The unconventional layout adds an extra layer of excitement and unpredictability to the game, as players must adapt their strategies to this unique structure. With four rows on reels 1, 3, and 5, and five rows on reels 2 and 4, the game creates a visually striking and mechanically intriguing playing field that keeps players engaged throughout their gaming session.
Expanding Wilds with Multipliers
At the core of Zombie Outbreak’s thrilling gameplay are the Expanding Wild symbols. These appear exclusively on reels 2 and 4, transforming to cover the entire reel when they land. Each Expanded Wild reveals three multipliers, ranging from x1 to x25. The lowest multiplier is collected and applied to any wins, potentially leading to massive payouts. These Wilds remain active until all three multipliers are used or the spin ends, creating suspense with every appearance. The multiplier combinations can be x1 x2 x3, x2 x3 x5, x3 x5 x12, x5 x10 x15, or x10 x15 x25, offering a wide range of potential boosts to winnings. This feature not only increases the chances of forming winning combinations but also adds a strategic element as players anticipate the reveal of multiplier values.

Cascading Reels
The Cascading Reels feature brings dynamic action to each spin. When a winning combination occurs, the contributing symbols explode and disappear, allowing new symbols to fall into place. This cascade effect can trigger multiple wins from a single spin, amplifying the excitement and potential rewards as players watch the reels continue to fall. The collapsing mechanic keeps the action flowing and can lead to impressive chain reactions of wins, potentially filling the entire grid with new symbols and creating unexpected winning combinations. This feature adds a layer of unpredictability and excitement to every spin, as a single initial win can snowball into a series of cascading victories.
Free Spins Bonus
Landing three or more Scatter symbols, represented by the radioactive hazard sign, triggers the Free Spins feature. Players are initially awarded 15 free spins, with the possibility of retriggering more during the bonus round. The true power of this feature lies in the persistent multipliers – any multipliers collected from Expanding Wilds remain active throughout the entire Free Spins session, creating the potential for exponential wins. This cumulative effect can lead to massive payouts, especially if high-value multipliers are collected early in the bonus round. The ability to retrigger free spins by landing additional Scatters during the feature further extends the excitement and winning potential.
Feature Buy Option
For players eager to jump straight into the action, Zombie Outbreak offers a Feature Buy option. This allows immediate access to the Free Spins bonus round, bypassing the need to wait for Scatters to appear naturally. While this option may not be available in all jurisdictions, it provides an exciting shortcut to the game’s most volatile and potentially rewarding feature. Players can strategically choose when to use this option based on their budget and risk appetite, adding another layer of decision-making to the gameplay.
Collapsing Reels Mechanic
The Collapsing Reels mechanic works in tandem with the Cascading Reels feature. After each win and subsequent symbol explosion, the remaining symbols collapse downwards, filling gaps and potentially creating new winning combinations. This mechanic keeps the action flowing and can lead to impressive chain reactions of wins. It not only extends the excitement of each spin but also increases the potential for multiple wins from a single bet, offering players more value for their wager. The visual effect of symbols collapsing and new ones falling into place adds to the dynamic feel of the game.
Progressive Multiplier System
During both base gameplay and Free Spins, Zombie Outbreak employs a progressive multiplier system. As players collect multipliers from Expanding Wilds, these values accumulate, applying to subsequent wins. This system can lead to substantial win multipliers, especially during extended Free Spins sessions, where the multiplier potential reaches its zenith. The progressive nature of this feature means that as the game continues, the potential for massive wins increases, creating a sense of building excitement and anticipation with each spin.

Thematic Symbol Transformations
In keeping with the zombie apocalypse theme, Zombie Outbreak features dynamic symbol transformations. During certain game events, such as triggering the Free Spins or landing high-value combinations, symbols may transform into more grotesque or mutated versions of themselves. This visual feature enhances the immersive experience and adds an extra layer of excitement to big wins. The transformations not only reinforce the game’s theme but also serve as visual cues for important events, helping players track their progress and celebrate significant moments in the gameplay.
Survival Bonus Game
Occasionally, players may trigger a unique Survival Bonus Game. This mini-game challenges players to navigate through a zombie-infested cityscape, making choices that can lead to instant cash prizes or multipliers. The Survival Bonus Game adds an interactive element to the slot, allowing players to feel more engaged with the apocalyptic theme while offering additional chances for rewards. This feature breaks up the main slot gameplay, providing a refreshing change of pace and an opportunity for players to directly influence their outcomes through decision-making, further immersing them in the zombie survival narrative.
Game Rules
Zombie Outbreak, the thrilling slot from PG Soft, offers players a unique 4-5-4-5-4 reel layout with 1,600 ways to win. Set in a post-apocalyptic world, this high-volatility game features expanding wilds with multipliers, cascading reels, and a free spins bonus that never resets.
Basics
Zombie Outbreak, developed by PG Soft, is a thrilling slot game set in a post-apocalyptic world overrun by the undead. Released in June 2024, this high-volatility slot features a unique 4-5-4-5-4 reel layout, offering players an impressive 1,600 ways to win. The game boasts an attractive RTP of 96.76% and a maximum potential win of 5,000x the stake. Players can place bets ranging from €0.20 to €100, making it suitable for both casual players and high rollers. The game’s immersive design transports players to a dimly lit street with ominous laboratory structures in the background, setting the perfect stage for a zombie-infested adventure.

Symbols
The symbols in Zombie Outbreak are intricately designed to match the game’s eerie theme. Low-paying symbols are represented by stylized playing card values, while high-value symbols include survival essentials such as antidote bottles, med kits, and haunting depictions of zombie faces. The game features a Wild symbol, portrayed as a male character, which appears exclusively on reels 2 and 4. This Wild can expand to cover the entire reel, revealing multipliers ranging from x1 to x25. The Scatter symbol, depicted as a radioactive hazard sign, is key to triggering the Free Spins feature. During certain game events, symbols may transform into more grotesque versions, enhancing the immersive experience and signaling potentially significant wins. This dynamic symbol transformation not only reinforces the game’s theme but also serves as an exciting visual indicator of the player’s progress.

Paytable
Zombie Outbreak’s paytable features a range of thematic symbols, from survival essentials to eerie zombie faces. The game offers 1,600 ways to win, with expanding wilds and multipliers significantly boosting potential payouts across its unique 4-5-4-5-4 reel layout.
Symbol | Description | 5 Matches | 4 Matches | 3 Matches |
![]() | Scatter (Biohazard) | – | – | – |
![]() | Wild Symbol | – | – | – |
![]() | Woman | 50 | 30 | 20 |
![]() | Blood | 30 | 20 | 10 |
![]() | Gas Mask | 30 | 20 | 10 |
![]() | Green Jar | 20 | 10 | 5 |
![]() | Test Tube | 20 | 10 | 5 |
![]() | A | 10 | 5 | 2 |
![]() | K | 10 | 5 | 2 |
![]() | Q | 10 | 5 | 2 |
![]() | J | 5 | 2 | 1 |
![]() | 10 | 5 | 2 | 1 |
![]() | 9 | 5 | 2 | 1 |
Demo Version
For those eager to experience the thrills of the apocalypse without risking real money, the Zombie Outbreak demo is available at the top of this page. This free-play version offers all the excitement of the full game, allowing players to explore the unique 4-5-4-5-4 reel layout, test strategies, and familiarize themselves with the expanding wilds and multiplier mechanics. The Zombie Outbreak demo is an excellent way to gauge the game’s high volatility and practice triggering the free spins feature before committing to real-money play. It’s also perfect for fans of the zombie genre who want to enjoy the immersive graphics and sound effects without any financial pressure.
How to Play Zombie Outbreak
Embarking on a Zombie Outbreak adventure can be thrilling yet challenging. Here’s a comprehensive step-by-step guide to help you navigate through this post-apocalyptic world and increase your chances of survival and big wins.
Step 1: Set Your Bet
Begin your Zombie Outbreak experience by setting your bet. Click the ‘+’ or ‘-‘ buttons to adjust your wager, which can range from €0.20 to €100 per spin. Remember, your potential winnings are directly proportional to your bet size, but always gamble responsibly and within your means.
Step 2: Understand the Unique Reel Layout
Familiarize yourself with Zombie Outbreak’s distinctive 4-5-4-5-4 reel configuration. This asymmetrical setup offers 1,600 ways to win, significantly increasing your chances of landing winning combinations. Pay attention to reels 2 and 4, as they are crucial for the Expanding Wilds feature.
Step 3: Spin the Reels
Once you’re comfortable with your bet and understand the layout, hit the spin button to set the reels in motion. Watch as the zombie-themed symbols cascade down, potentially forming winning combinations across the 1,600 ways to win.

Step 4: Look Out for Expanding Wilds
Keep a keen eye on reels 2 and 4 for the Expanding Wild symbols. When these appear, they’ll cover the entire reel and reveal three multipliers ranging from x1 to x25. The lowest multiplier is applied to any wins, potentially boosting your payout significantly.
Step 5: Utilize the Cascading Reels Feature
After each win, watch as the contributing symbols explode and disappear, allowing new symbols to fall into place. This cascade effect can trigger multiple wins from a single spin, so pay close attention to these chain reactions.
Step 6: Trigger the Free Spins Bonus
Aim to land three or more Scatter symbols (represented by the radioactive hazard sign) to activate the Free Spins feature. You’ll initially receive 15 free spins, but keep an eye out for additional Scatters during this round to retrigger more spins.
Step 7: Maximize the Progressive Multiplier System
During both base gameplay and Free Spins, take advantage of the progressive multiplier system. As you collect multipliers from Expanding Wilds, these values accumulate and apply to subsequent wins. This can lead to substantial payouts, especially during extended Free Spins sessions.

Step 8: Engage with Symbol Transformations
Pay attention to dynamic symbol transformations during certain game events, such as triggering Free Spins or landing high-value combinations. These transformations not only enhance the immersive experience but also signal potentially significant wins.
Step 9: Participate in the Survival Bonus Game
If you trigger the Survival Bonus Game, make strategic choices as you navigate through the zombie-infested cityscape. Your decisions can lead to instant cash prizes or multipliers, adding an extra layer of excitement and potential rewards to your gameplay.
Step 10: Consider the Feature Buy Option
If available in your jurisdiction and if you’re feeling particularly lucky, consider using the Feature Buy option to immediately access the Free Spins bonus round. This can be a shortcut to the game’s most volatile and potentially rewarding feature, but use it judiciously.
Remember, Zombie Outbreak is a high-volatility slot, meaning wins may be less frequent but potentially larger. Stay patient, manage your bankroll wisely, and enjoy the thrilling post-apocalyptic atmosphere as you spin for survival and big wins in this unique PG Soft creation.
Top Casinos for Playing Zombie Outbreak
If you’re ready to face the undead and try your luck at Zombie Outbreak for real money, we’ve got some excellent casino recommendations for you. These top-rated online casinos not only offer this thrilling PG Soft slot but also provide generous welcome bonuses to boost your initial bankroll. With enticing promotions, secure payment options, and a wide selection of games, these casinos ensure an exciting and safe gaming experience. Remember to always gamble responsibly and within your means when playing Zombie Outbreak or any other casino game.
Similar Slots
If you enjoy the thrilling zombie-themed action of Zombie Outbreak, here are three similar games that offer equally exciting undead adventures:
- Zombie FC (Microgaming): A football-themed zombie slot with 243 ways to win and a unique twist on the undead genre.
- I, Zombie (RealTime Gaming): A neon-colored slot featuring 25 paylines and cool free spins for a lighter take on the zombie apocalypse.
- Zombiezee Money (Rival Gaming): A 20-payline slot with bonus games, expanding wilds, and a super round for maximum zombie-slaying action.
Verdict: Is Zombie Outbreak worth playing?
Zombie Outbreak by PG Soft is definitely worth playing for fans of horror-themed slots and those seeking high-volatility action. The game’s unique 4-5-4-5-4 reel layout with 1,600 ways to win offers an exciting twist on traditional slot mechanics. Its standout features, including Expanding Wilds with multipliers up to 25x and a Free Spins bonus with persistent multipliers, create ample opportunities for substantial payouts. The impressive RTP of 96.76% is above average, promising fair returns over extended play.
While the high volatility may not suit all players, those who enjoy the thrill of chasing big wins will appreciate the game’s potential 5,000x max payout. The immersive post-apocalyptic atmosphere, complete with detailed graphics and an eerie soundtrack, adds depth to the gameplay experience. Overall, Zombie Outbreak successfully combines innovative features with a captivating theme, making it a solid choice for players looking for a fresh and potentially rewarding slot adventure.

FAQ
Can I play Zombie Outbreak for free?
Yes, you can play the Zombie Outbreak demo for free at the top of this page, though UK players must verify their age first.
How can I win at Zombie Outbreak?
To win at Zombie Outbreak, focus on utilizing the Expanding Wilds with multipliers effectively and aim to trigger the Free Spins bonus, where persistent multipliers can lead to substantial payouts.
Where can I play Zombie Outbreak?
Zombie Outbreak can be played at various online casinos that offer PG Soft games, though specific casino recommendations are not provided in the given information.