Build a Zoo Mutations Guide (October 2025) 10+ Multipliers

In Build a Zoo, mutations are essential game mechanics that dramatically increase your pets' earning potential and selling price. There are five powerful mutations available—Gold (2x), Diamond (3x), Electric (5x), Fire (10x), and Jurassic (12x)—each offering progressively higher multipliers. This comprehensive guide reveals exactly how to obtain every mutation, maximize their benefits, and transform your zoo into a profit-generating empire.

Mutation	Multiplier	Best For	Difficulty
Gold	2x earnings	Beginners	Easy
Diamond	3x earnings	Mid-game	Moderate
Electric	5x earnings	Advanced players	Moderate
Fire	10x earnings	Late-game	Hard
Jurassic	12x earnings	End-game	Very Hard

How to Get All Build a Zoo Mutations?

There are five mutations in Build a Zoo that you can obtain for your normal pets, big pets, normal fish, and big fish. Each mutation requires different methods and resources, with the Jurassic mutation being the most powerful and challenging to acquire.

1. Gold Mutation

Multiplier: Increases earnings by 2x

How to Get:

• Buy Gold eggs from the conveyor belt to get Gold mutated normal pets
• Catch Gold eggs from the river to get Gold mutated normal fish
• Feed Pear to your Big Pet or Big Fish for a chance at Gold mutation

Best Strategy: Gold mutations are perfect for beginners as they're relatively easy to obtain and provide a solid foundation for increasing your zoo's income. Focus on upgrading your conveyor belt to at least Rare tier to increase Gold egg spawn rates.

2. Diamond Mutation

Multiplier: Increases earnings by 3x

How to Get:

• Buy Diamond eggs from the conveyor belt to get Diamond mutated normal pets
• Catch Diamond eggs from the river to get Diamond mutated normal fish
• Feed Pineapple to your Big Pet or Big Fish for a chance at Diamond mutation

Best Strategy: Diamond mutations offer a significant upgrade over Gold and are ideal for mid-game progression. You'll need to upgrade your conveyor belt to Epic tier for consistent Diamond egg spawns. Save up in-game currency for bulk purchases when Diamond eggs appear.

3. Electric Mutation

Multiplier: Increases earnings by 5x

How to Get:

• Buy Electric eggs from the conveyor belt to get Electric mutated normal pets
• Catch Electric eggs from the river to get Electric mutated normal fish

Best Strategy: Electric mutations provide a substantial boost and are worth pursuing once you have a stable income. You'll need a Legendary tier conveyor belt for reliable Electric egg spawns. Consider investing in auto-collection features to maximize your efficiency when hunting for these valuable eggs.

4. Fire Mutation

Multiplier: Increases earnings by 10x

How to Get:

• Buy Fire eggs from the conveyor belt to get Fire mutated normal pets
• Catch Fire eggs from the river to get Fire mutated normal fish
• Feed Gold Mango to your Big Pet or Big Fish for a chance at Fire mutation

Best Strategy: Fire mutations are game-changers that can dramatically accelerate your progress. You'll need a Mythical tier conveyor belt for consistent spawns. The Gold Mango feeding method is particularly effective for Big Pets and Fish, so prioritize acquiring these rare fruits.

5. Jurassic Mutation

Multiplier: Increases earnings by 12x (highest in the game)

How to Get:

• Buy Jurassic eggs from the conveyor belt to get Jurassic mutated normal pets (requires Meteor Heaven unlocked)
• Feed Volt Ginkgo to your Big Pet or Big Fish for a chance at Jurassic mutation

Best Strategy: Jurassic mutations are the pinnacle of Build a Zoo progression, offering the highest multiplier in the game. Acquiring Meteor Heaven is crucial—this extremely rare item can only be obtained through the Season Pass spin with a 1% chance. You'll need Lucky Tickets to spin the Season Pass wheel, so focus on completing daily tasks and events to accumulate these valuable resources.

Advanced Mutation Strategies

Conveyor Belt Optimization

Your conveyor belt is the primary source of mutated eggs, and upgrading it is essential for accessing higher-tier mutations. The conveyor has eight tiers:

• Common - Basic eggs, minimal mutation chance
• Uncommon - Slightly better mutation rates
• Rare - Good chance of Gold mutations
• Epic - Consistent Diamond mutations
• Legendary - Reliable Electric mutations
• Mythical - Frequent Fire mutations
• Divine - High chance of all mutations
• Prismatic - Best mutation rates, including Jurassic

Pro Tip: Focus on upgrading your conveyor belt systematically. Each tier not only unlocks better mutation chances but also provides passive earnings bonuses that compound over time.

Big Pet and Big Fish Mutation Tactics

Big Pets and Big Fish are special because they can acquire mutations through feeding, but there are important limitations to understand:

Critical Rules:

• Mutations cannot stack on Big Pets and Big Fish
• Feeding another mutation-inducing fruit will replace the current mutation
• Once your Big Pet has the Jurassic Mutation, avoid feeding them mutation-inducing foods
• Focus on getting the highest possible mutation first, then stick with it

Optimal Feeding Strategy:

• Start with Pear for Gold mutation (early game)
• Progress to Pineapple for Diamond mutation (mid game)
• Skip Electric mutation for Big Pets (no fruit method)
• Use Gold Mango for Fire mutation (late game)
• Finally, use Volt Ginkgo for Jurassic mutation (end game)

Fruit Acquisition and Management

The Fruit Shop is located at the end of the ramp in the middle of the map, opposite the Sell Animals shop. Here's what you need to know about mutation-inducing fruits:

Fruit	Mutation	Cost	Best Use
Pear	Gold	Low	Big Pet/Fish early game
Pineapple	Diamond	Medium	Big Pet/Fish mid game
Gold Mango	Fire	High	Big Pet/Fish late game
Volt Ginkgo	Jurassic	Very High	End-game optimization

Money-Saving Tip: Buy fruits in bulk when they're available and store them for when you have high-value Big Pets or Fish to mutate. The investment is worth it for the long-term earnings boost.

Meteor Heaven and Season Pass Strategy

Meteor Heaven is the key to unlocking Jurassic eggs on your conveyor belt, making it one of the most valuable items in Build a Zoo. Here's how to maximize your chances:

Acquisition Method:

• Go to Season Pass → Ticket section
• Use Lucky Tickets to spin the wheel
• 1% chance to get Meteor Heaven per spin
• No guaranteed method, only persistence

Optimization Strategy:

• Complete daily tasks consistently for Lucky Tickets
• Participate in events that offer bonus tickets
• Save tickets for dedicated spinning sessions rather than using them sporadically
• Track your progress and adjust strategy based on results

Pro Tip: The Season Pass often updates monthly with new rewards, so stay active in the community to learn about the best times to spin for Meteor Heaven.

River Egg Collection Techniques

Catching mutated eggs from the river is an alternative method that requires different skills and strategies:

Essential Techniques:

• Timing is crucial - Eggs move quickly and disappear fast
• Position yourself strategically near spawn points
• Use the travel belts for quick river access
• Upgrade fishing gear when available for better success rates

Mutation-Specific River Strategies:

• Gold eggs - Most common, good for practice
• Diamond eggs - Moderate spawn rate, worth the effort
• Electric eggs - Less common, requires good timing
• Fire eggs - Rare, be prepared to act fast
• Jurassic eggs - Extremely rare, consider this a bonus if found

Common Mistakes to Avoid in 2025

1. Neglecting Conveyor Belt Upgrades

Many players focus too much on buying individual eggs instead of upgrading their conveyor belt. Higher-tier belts provide better mutation chances and passive income bonuses.

2. Wasting Mutation Fruits

Feeding mutation fruits to low-value Big Pets or Fish is inefficient. Save your rare fruits for high-value animals that will benefit most from the mutation boost.

3. Ignoring the Season Pass

The Season Pass is your primary source of Meteor Heaven. Even if you don't get it immediately, the other rewards help with progression.

4. Overlooking Collection Tasks

The album collection tasks provide valuable rewards that can accelerate your mutation hunting progress. Complete these regularly.

5. Poor Zoo Layout

Inefficient zoo layouts can lead to missed collection opportunities. Organize your mutated pets strategically for optimal coin collection.

Platform-Specific Information

Roblox Mobile vs. Desktop

• Mobile: Easier to tap and collect coins quickly, but harder to precisely time river egg catches
• Desktop: Better for precise movements and timing, but requires more active play for collection

Performance Optimization

• Lower graphics settings if experiencing lag during busy periods
• Close other apps when playing for smoother performance
• Use stable internet connection to prevent disconnection during critical moments

Community Resources

Official Discord Community

Join the official Build a Zoo Discord server with over 78,000 members for:

• Real-time mutation hunting coordination
• Latest code drops and updates
• Community events and giveaways
• Direct developer communication

Reddit Community

The r/BuildAZooROBLOX subreddit is perfect for:

• Sharing mutation successes and strategies
• Trading tips and fruit locations
• Community discussions and feedback
• Finding fellow players for collaboration

Official Game Page

Visit the official Roblox game page for:

• Latest update information
• Official announcements
• Server status and maintenance notices
• Direct game access

FAQ's

How do mutations work in Build a Zoo?

Mutations in Build a Zoo are special modifiers that increase your pets' earning potential and selling price. There are five mutations available, each with different multipliers ranging from 2x to 12x earnings. Mutations can be obtained through conveyor belt eggs, river fishing, or feeding specific fruits to Big Pets and Fish.

What's the best mutation in Build a Zoo?

The Jurassic mutation is the best in Build a Zoo, offering a 12x earnings multiplier—the highest in the game. However, it's also the most difficult to obtain, requiring either Meteor Heaven (for conveyor belt eggs) or Volt Ginkgo fruits (for Big Pets/Fish).

Can mutations stack on Big Pets?

No, mutations cannot stack on Big Pets and Big Fish in Build a Zoo. If your Big Pet or Big Fish already has a mutation, feeding another mutation-inducing fruit will replace the current mutation rather than adding to it.

How do I get Meteor Heaven in Build a Zoo?

Meteor Heaven is a very rare item that can only be obtained through the Season Pass spin with a 1% chance. Click on Season Pass, go to the Ticket section, and use Lucky Tickets to spin the wheel. Once you have Meteor Heaven, activate it to spawn Jurassic Eggs on your conveyor belt.

Where can I buy mutation fruits in Build a Zoo?

You can buy mutation fruits from the Fruit shop located at the end of the ramp in the middle of the map, opposite the Sell Animals shop. The shop sells Pear (Gold mutation), Pineapple (Diamond mutation), Gold Mango (Fire mutation), and Volt Ginkgo (Jurassic mutation).

How many conveyor belt tiers are there in Build a Zoo?

There are eight conveyor belt tiers in Build a Zoo: Common, Uncommon, Rare, Epic, Legendary, Mythical, Divine, and Prismatic. Higher tiers provide better mutation chances and passive earnings bonuses.

What's the fastest way to get mutations in Build a Zoo?

The fastest way to get mutations is to upgrade your conveyor belt to the highest possible tier while simultaneously hunting for river eggs and using mutation fruits on high-value Big Pets and Fish. Focus on one mutation type at a time for maximum efficiency.

Are mutations permanent in Build a Zoo?

Yes, once a pet or fish has a mutation, it's permanent for that specific animal. However, Big Pets and Big Fish can have their mutations changed by feeding them different mutation-inducing fruits.

How often are new mutations added to Build a Zoo?

As of October 2025, there are five mutations in Build a Zoo, and the developer (Century Farmers) hasn't announced plans for additional mutations. However, the game receives regular updates, so new mutations could be added in the future.

What's the difference between river eggs and conveyor belt eggs?

River eggs must be caught manually and offer an alternative way to obtain mutations, while conveyor belt eggs can be purchased automatically as they appear. Both methods can yield all mutation types, but conveyor belt eggs become more reliable as you upgrade your belt tier.

Conclusion

Mastering mutations in Build a Zoo is the key to maximizing your zoo's profit potential and accelerating your progression through the game. From the accessible Gold mutation to the coveted Jurassic transformation, each upgrade brings you closer to building the ultimate zoo empire.

Remember that success in Build a Zoo comes from a combination of strategic conveyor belt upgrades, efficient fruit management, and persistent Meteor Heaven hunting. Join the community, stay updated with the latest patches, and don't be afraid to experiment with different mutation strategies.

With this comprehensive guide, you now have all the knowledge needed to obtain every mutation and dominate the leaderboards. Start building your mutation collection today and watch your zoo's earnings soar to new heights!

Bookmark this guide and check back regularly for updates as new mutations and strategies emerge in Build a Zoo!