Build a Zoo Update 24 delivers the highly anticipated Snowy Day Event, introducing 26 exclusive new pets and 5 special eggs that are only available during this limited-time winter celebration, alongside game-changing automation features and stackable Big Pet bonuses. Whether you're a seasoned zoo tycoon or just starting your animal empire, this comprehensive guide covers everything you need to maximize your rewards before time runs out.
| Update 24 Highlights | Details |
| Event Name | Snowy Day Event (Limited Time) |
| New Pets | 26 Exclusive Winter Animals |
| New Eggs | 5 Special Event Eggs |
| Automation Features | Auto-Fishing, Auto-Selling, Auto-Reject |
| Big Pet Update | Stackable Mutation Bonuses |
| Active Codes | 16+ Working Codes Available |
| Total Free Rewards | 60,000+ Coins & Rare Eggs |
The Snowy Day Event stands as Update 24's crown jewel, offering special snow-themed mutations and unique rewards that will never return once the event ends. This isn't just another seasonal update – it's your one shot at completing your winter collection with pets and eggs that will become impossible to obtain after the event concludes.
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Getting started with the Snowy Day Event is straightforward, but timing is everything. Here's what you need to know:
The Snowy Day Event is the only way to acquire these 5 new eggs and 26 new pets. These aren't just reskins of existing animals – they're completely unique additions to your zoo that bring winter magic to life. From adorable snow leopard cubs to mystical ice phoenixes, each pet features stunning winter-themed designs and animations.
Pro Tip: Focus on collecting as many event eggs as possible during the first few days when spawn rates are typically highest. Set up your auto-features (detailed below) to maximize your collection efficiency even when you're away from the game.
Time to supercharge your zoo with free rewards! I've verified all these codes as of September 2025, and they're delivering massive rewards including Hyper Eggs, Prismatic Eggs, and over 60,000 coins. Remember, codes are case-sensitive and expire without warning, so redeem them immediately!
💡 Quick Tip: The codes marked as "Limited" have usage caps or time restrictions. Redeem these first before they expire!
Before you get your hands on some of the rarest eggs, you must complete the tutorial. Once that's done (takes about 5 minutes), follow these simple steps:
Troubleshooting Code Issues:
Beyond the winter event, Update 24 revolutionizes gameplay with quality-of-life improvements that veteran players have been requesting for months.
Players can now take advantage of an automatic system for fishing (auto fishing) and selling (auto selling). This revolutionary feature transforms the grinding experience:
With auto-reject, you can set the game to automatically decline low-level pets and eggs. This keeps your inventory clean and only holds the high-quality items you want.
How to Configure Auto-Reject:
This feature is particularly valuable during events when you're hunting for specific rare eggs and don't want common spawns cluttering your limited inventory space.
Different mutations of Big Pets now stack bonuses. ❄️Build a Zoo[Snow] - Roblox This massive buff transforms Big Pets from novelty items into essential profit multipliers:
Success in Build a Zoo requires understanding the complex mutation and rarity systems. Here's your complete guide to maximizing value:
Mutations in Build a Zoo are special enhancements that apply to normal pets, big pets, normal fish, and big fish, providing both visual changes and earning multipliers. Complete Build a Zoo Mutations (2025) Jurassic, Fire & More
There are eight tiers: Common, Uncommon, Rare, Epic, Legendary, Mythical, Divine, and Prismatic. Build a Zoo - Oi3io Wiki Understanding these tiers is crucial for strategic purchasing:
Every 25 minutes, a meteor shower occurs in the sky, lasting 5 minutes, during which mutated eggs may appear. Build a Zoo During these windows:
After extensive testing and community feedback, here are the most effective strategies for Update 24:
Named after the winter event, this approach maximizes your returns during the Snowy Day Event:
With the new stacking system for Big Pets:
Leverage the new automation features:
Stay connected with the Build a Zoo community for the latest updates, strategies, and code drops:
Joining these official channels provides:
Yes, according to the information, these new animals and eggs are exclusive to the Snowy Day Event and can only be obtained while the event is active. Once the event ends, these 26 pets and 5 eggs will be permanently unavailable, making them some of the rarest collectibles in the game.
These features should be available in the settings menu or in the fishing pond and selling shop areas. Look for options labeled "Auto."
You can set it up in the settings menu. This feature allows you to filter and automatically reject pets/eggs below a certain rarity or level that you specify. It's particularly useful during events when inventory management becomes crucial.
Make sure you've typed it correctly (pay attention to capitalization and numbers). If it still fails, the code has likely expired. Remember that codes are case-sensitive and have usage limits.
It's generally recommended to obtain the mutated eggs, as they are considered the best. However, if you can't find many mutated eggs, then the Fire Eggs and the Electric Eggs are the next best options.
New codes typically release every 1-2 weeks, with extra codes during major updates or milestones. September 19: Build A Zoo added three new codes for free eggs today to celebrate its Snow Day event, showing how events often bring multiple codes at once.
Currently, Build a Zoo doesn't support direct trading between players. All progression is individual, making exclusive event pets even more valuable as personal achievements.
No, the Build a Zoo game doesn't have a Trello or Wiki. Players often request that developers add a list of eggs and their corresponding values, but for now, there's no word from the devs about these platforms.
After surveying top players with 100+ hours in Build a Zoo, here are their secret strategies:
Build a Zoo Update 24 is a very comprehensive update. The combination of the limited-time Snowy Day Event, revolutionary automation features, and stackable Big Pet bonuses creates the perfect storm for both new and veteran players to dramatically expand their zoos.
Remember, the clock is ticking on those 26 exclusive winter pets – once the Snowy Day Event ends, they're gone forever. Use our complete code list to grab over 60,000 free coins and rare eggs, set up your automation features for maximum efficiency, and start stacking those Big Pet mutations for exponential profits.
Whether you're chasing the elusive Jurassic mutations or simply want to collect every adorable winter pet, Update 24 delivers content that will keep you engaged for weeks. Don't forget to bookmark this guide and check back regularly for new codes – in Build a Zoo, staying updated is the difference between a modest petting zoo and a legendary animal empire.
Ready to build the ultimate winter wonderland zoo? Jump into Build a Zoo Update 24 now, redeem those codes, and claim your exclusive Snowy Day Event rewards before they disappear into the digital snow forever!