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Rules and Gameplay

Embark on a spooky adventure with Zombirthday, a video slot developed by Playson that uniquely combines the horror of zombies with the cheer of a birthday celebration. This game is structured with 5 reels and 3 rows, offering 10 fixed paylines for betting. Gameplay is straightforward—players adjust their wagers from $0.20 to $100 per spin, and wins are determined by aligning symbols from left to right across the paylines. The engaging theme and easy-to-understand rules make Zombirthday a fun choice for both novice and experienced slot players.

Bonus Features

Zombirthday comes packed with thrilling bonus features that enhance the gaming experience:

  • Free Spins: Landing three or more scatter symbols triggers a round of 15 free spins, during which all winnings are tripled. Additional free spins can be won by landing more scatter symbols during this mode.
  • Gamble Feature: After each win, players have the option to gamble their winnings. By guessing the correct color of a hidden card, players can double their winnings, adding an element of risk and reward.


The symbols in Zombirthday are creatively designed to fit the zombie theme:

  • Wild Symbol: The green zombie wearing a party hat acts as the wild, substituting for all other symbols except the scatter to form winning combinations. It also doubles the payout of any line win it is part of.
  • Scatter Symbol: The blue-faced female zombie, triggers the free spins when three or more appear anywhere on the reels.
  • High and Low Value Symbols: From blood-stained playing cards (9 through Ace) to thematic icons like a brain birthday cake and a zombie chihuahua, each symbol brings its own rewards.


The payouts in Zombirthday are varied and can be substantial, especially during the bonus features. Below is a payout table for some of the key symbols:

Symbol 3 Symbols 4 Symbols 5 Symbols
Green Zombie (Wild) $100 $1,000 $9,000
Female Zombie (Scatter) $30 $300 $3,000
Brain Cake $50 $500 $1,500


Zombirthday features 10 fixed paylines, meaning that all lines are active during each spin. This setup maximizes players’ chances of hitting winning combinations and makes every spin an exciting prospect. Each payline is clearly delineated within the game’s paytable, allowing players to easily understand where wins can be expected.

Pros & Cons

Pros Cons
Engaging theme with a unique blend of horror and party elements Limited bonus features compared to more modern slots
Generous free spins feature with tripled winnings High volatility may deter casual players
Wild symbol doubles payouts, increasing potential winnings No progressive jackpot available

Minimum and Maximum Bet

The betting range in Zombirthday makes it suitable for a variety of players. The minimum bet is set at $0.20, allowing newcomers or those with a smaller bankroll to enjoy the game without a significant financial commitment. Conversely, the maximum bet is $100 per spin, which caters to high rollers looking for the potential for larger payouts on each spin.

Game Jackpot

Zombirthday does not feature a progressive jackpot, but it offers a substantial maximum win of 9,000 times the bet amount per line when lining up five wild symbols. The game’s Return to Player (RTP) rate is 95.86%, which is around the industry average. Additionally, it has a high variance, meaning that payouts can be significant but less frequent, appealing to players who enjoy the thrill of chasing big wins.

About Provider

Playson, the developer of Zombirthday, is well-regarded in the online casino industry for creating visually appealing and innovative slot games. Established in the gaming market, Playson has a reputation for producing games that not only engage players with their excellent graphics and themes but also provide fair and regulated gaming experiences. Their extensive portfolio showcases a variety of themes and game mechanics that appeal to a broad audience of players.

How To Play

  • Start by setting your bet size using the plus and minus buttons to adjust the coin value and the number of coins per line.
  • Once your bet is set, click the ‘Spin’ button to start the game and watch the reels turn.
  • If you prefer to play without interruption, utilize the ‘Autoplay’ feature to set a predetermined number of spins at the same bet level.
  • Watch for the wild symbol (green zombie) as it can replace other symbols to form winning combinations and doubles the payout of any wins it is involved in.
  • Land three or more scatter symbols (female zombie) to trigger the free spins feature, which includes 15 free spins with all wins tripled.
  • Optionally, you can gamble your winnings after each successful spin by choosing the correct color of a hidden card to potentially double your win.


Zombirthday offers an intriguing mix of eerie themes with festive elements, making it a standout slot in Playson’s game library. The game’s high variance and RTP of 95.86% provide an exciting challenge for those seeking substantial payouts, while the charming graphics and soundtrack create a fun and engaging atmosphere. Although the game lacks a progressive jackpot and extensive bonus features found in newer slots, its generous free spins and wild multipliers ensure that it remains a popular choice among players seeking both entertainment and the opportunity for big wins.