Let's Build a Zoo
Give it 3 hours
What the data shows
- In the first 2 hours almost 1 in 3 reviews are negative (29%); after 10h it's 1 in 13 (8%).
- Fully opens up by hour 10.
- The game has no story achievements, so drop-off points can't be measured.
- 84% of owners got the first achievement.
When it gets good
Share of positive reviews by how many hours the reviewer had played when writing the review.
before it gets good opening up fully opened up
Based on all 4,156 Steam reviews in every language. Median playtime in a sample of 296 reviews: 19.1h for positive, 18.5h for negative. Almost every game is rated lower in the first 2–3 hours: that window includes refunds and quick first impressions. What matters is how deep the dip is and how fast the game recovers.
Where players quit
Share of players who started the game and reached each story milestone. 100% is the most common achievement (83.7% of owners), so people who bought the game and never launched it don't count.
This game has no story achievements, so we can't tell where players quit.
All achievements (45)
story milestone ending side
- Have a baby! One of your animals must give birth. 100%
- Snitch Send a member of the black market to prison. 72%
- Trampoline Buy a trampoline for your zoo. 71%
- Green Machine Build your first Wind Turbine. 69%
- Researcher Research 20 things. 66%
- Hybrid Moments Create your first hybrid animal. 62%
- Fired Up Fire an employee. 48%
- Transport Mogul Own at least 10 buses. 41%
- Super Trader Complete 10 trades with other zoos. 41%
- Cartographer Map your first Genome. 37%
- Captain Cola Convince Captain Cola to run a promotion at your zoo. 33%
- Protest Have a visit from a protestor. 29%
- Cash King Earn at least $50000 in a single day. 21%
- Dealer Sell 10 animals to the black market. 18%
- New Zoo Unlock a second zoo on the world map. 17%
- Route Planner Unlock 5 bus routes. 16%
- Gonky Employ a Gonky mascot. 15%
- Dinosaur Rebirth Clone your first dinosaur. 13%
- Big Birther Your breeding program must produce 100 babies (Nursery births only). 11%
- First Catch Get first fish from either boat 8.7%
- He Sells Sanctuary Complete the Goth quests. 8.1%
- Sky Writer Get a flying visit! 7.2%
- Monster Matinee Complete all Kaiju Cosplay quests. 7.0%
- Bad Hot Dog Sell a Hotdog at the worst possible quality. 6.8%
- Superior Researcher Research 233 things. 6.0%
- Pooped Out Build a Bio-waste Storage in Dinosaur Island. 4.9%
- Ticket Master Sell a ticket for at least 100 dollars. 4.9%
- Sea Monster Create your first marine hybrid 4.5%
- A Mammoth Discovery Complete the dig for the Mammoth. 4.2%
- Tastes Like Bacon Build a bacon factory. 3.7%
- Broken Teeth Break some teeth. 3.5%
- Bernie And Friends Employ a Bernie mascot. 2.9%
- Death Metal Death Complete all Critical Choices for King Sapphire. 2.9%
- Decorator Get a Deco Rating of 100%. 2.7%
- Lion City Complete the trade for the Lion in Singapore. 2.7%
- Pearlfect Build a Jeweller 2.0%
- Factory Boss Have at least 6 unique types of evil factory operating in your zoo. 1.7%
- Whale Done Get a blue whale 1.3%
- Land Owner Buy every plot of land in the starting zoo. 1.1%
- Seas the Day! Collect 50 Aquatic Animals 1.1%
- The Saint Have 200 good points. 1.1%
- Dino-Mite Discover all 51 Dinosaurs/Animals. 0.8%
- Map Master Map 56 standard animal Genomes. 0.8%
- GORSD Hire 6 different types of mascots 0.7%
- Criminal Mastermind Have 200 evil points. 0.6%