Let’s Build a Zoo – Ultimate Technology Tree Guide

A guide for the technology tree in Let’s Build a Zoo.

Definitive Guide to Technology Tree

Introduction

This is a guide for the tech tree. In this game, the tech tree is shown progressively as you unlock techs. You can only see directly next to the techs that you’ve unlocked–save for a few specific ones. This makes it difficult to find a tech if you say, want to unlock 2 researchers, as they do not follow distinct and separate branches. To get a researcher, you have to go down the biome path or down from the Nursery path. Examples like this are all throughout the game, so I hope to help people find out which research is actually important to them based on their goals in the game.

This guide is basic information complete.

  • Part 1 [Full Tree] Shows images of the full tree with highlights based on specific types of tech.
  • Part 2 [Descriptions] Has the information on cost and description of the tech.
  • Format: The number of the tech going from left to right – [Research cost] Name – description and requirements (if applicable).
  • Naming Convention: 1-8d, 1-8u. D means down. U means up. Starting from the first two lines you have access to when starting the game.

Part 1 – Full Tree

Full Tech Tree

Advertising

ATM

Benches

Bins

Breeding

Decorations

Enclosures

Employees

Energy (Bad)

Energy (Good)

Facilities

Factories

Farms

Floor Tiles

Fountains

Lamps

Nature

Restrooms

Shelters

Shops

Signboards

Transportation

Part 2 – Descriptions

1d

  1. [16] Crop Seeds – Watermelon [Requires: Farm Plot | Farmhouse]
  2. [14] Plant Pack – Animal Hedges
  3. [15] Employee Unlock – Mascots
  4. [18] Factory – Abattair (turn live animals into dead animals – best way to get meat quickly) [Requires: 40 Immorality]
  5. [9] Subway Pack – Classic
  6. [2] Shelter Back (Special)
  7. [1] Bench Pack – Garden Benches
  8. [1] Desert Enclosure
  9. [5] Nursery
  10. [6] Deco Pack – Animal Statues
  11. [7] Breeding Facility – Utrasound (allows you to predict the appearance of any offspring before it is born)
  12. [9] Animal Enrichment – Cliff
  13. [14] Deco Pack – Zoo Sign
  14. [20] Sundae Shop

2d

  1. [16] Deco Pack – Themed Archways
  2. [25] Zoo Bus Upgrade – Upsized White Bus
  3. [9] Deco Pack – Banners
  4. [12] Tropical Juice
  5. [5] Animal Enrichment – Leaf Pile
  6. [2] Signboard Pack – Navigational
  7. [3] Floor Pack – Stone
  8. [5] Cotton Candy
  9. [2] Plant Pack – Bushes
  10. [6] Choco Vendor
  11. [6] Floor Pack – Nature
  12. [10] Fountain Pack – Tall Fountains
  13. [20] Lamppost Pack – Twin Lights
  14. [14] Water Basin – Large, Natural

3d

  1. [23] Advertising – Richer Visitors
  2. [15] Plant Pack – Special Forest Plants
  3. [18] Burger Shop
  4. [17] Barn [Requires: Warehouse | Cow | 50 Morality]
  5. [6] Floor Pack – Blue/Orange
  6. [10] Processor (convert deceased animals into useful resources) [Requires: Warehouse | 5 Immorality]
  7. [7] Ice Cream Van
  8. [5] Savannah Enclosure
  9. [4] Crop – Soybeans [Requires: Farm Plot | Farmhouse]
  10. [5] Animal Enrichment – Scent Markers
  11. [6] Incenerator (burn deceased animals to dispose of unsightly corpses)
  12. [10] Bins Pack – Recycling Bin [Requires: Recycling Center | 30 Morality]
  13. [18] Recycling Center
  14. [10] Rock Pack – Ice Rocks
  15. [14] Floor Pack – Special
  16. [22] Subway Pack – Animal Subway

4d

  1. [21] Park Bin Capacity
  2. [16] Deco Pack – Themed Archways
  3. [12] Animal Enrichment – High Beams
  4. [9] Animal Enrichment – Chew Toys
  5. [8] Crop Seeds – Sugarcane
  6. [7] Animal Enrichment – Water Sprinkler
  7. [8] Reduce Pregnancy Time (pregnancies are always 1 day long in Nursery) [Requires: 10 Morality]
  8. [10] Arctic Enclosure
  9. [12] Popcorn Stall
  10. [20] Researcher Pack – Researcher +1
  11. [12] Water Tower [Requires: 20 Morality]
  12. [15] Zoo Bus Upgrade – Red Bus
  13. [8] Plant Pack – Mushrooms
  14. [20] Factory – Milk Battery [Requires: Warehouse | Cow | 50 Immorality]
  15. [21] Beer Brewery [Requires: 85 Morality]
  16. Processor – Extra Animal Undertakers [Requires: Processor]

5d

  1. [19] Deco Pack – Air Dancers
  2. [17] Deco Pack – Animal Ice Statues
  3. [12] Bins Pack – Animal Bins
  4. [14] Taco Truck
  5. [15] Lamppost Pack – Themed Lights
  6. [9] Restroom Pack – Themed Restrooms
  7. [12] Tropical Enclosure
  8. [9] Signboard Pack – Navigational
  9. [18] Furnace – burn your trash [Requires: 30 Immorality]
  10. [12] Vet Office
  11. [8] Floor Pack – Decorative Tiles
  12. [9] Animal Enrichment – Cardboard Box
  13. [10] Crop Seeds – Potato [Requires: Farm Plot | Farmhouse]
  14. [18] Deco Pack – Pyramids
  15. [15] Shelter Pack – Themed Shelters
  16. [35] Infinite CRISPR Splicers

6d

  1. [23] Recycling Center Efficiency [Requires: Recycling Center]
  2. [14] Deco Pack – Totems
  3. [12] Animal Enrichment – Perches
  4. [11] Shelter Pack – Special
  5. [12] Animal Enrichment – Jolly Ball
  6. [17] Subway Pack – Themed Subways
  7. [13] Restroom Pack – Nature Themed
  8. [18] Cafe
  9. [12] Animal Enrichment – Scratching Post
  10. [11] Animal Shelter – Artic
  11. [12] Crop Seeds – Hops [Requires: Farm Plot | Farmhouse]
  12. [20] Farm Processor – Process your crops here, allowing you to make them ready for sale through your warehouse, and extracting my by-products [Requires: Warehouse | 75 Morality]
  13. [14] Deco Pack – Lighthouse
  14. [16] Fountain – Rock Falls
  15. [14] Signboard Pack – Educational
  16. [19] Floor Pack – Rainbow

7d

  1. [15] Plant Pack – Cacti
  2. [15] Bench Pack – Rainbow
  3. [14] Tree Pack – Tall Palm Trees
  4. [15] Tree Pack – Dry Trees
  5. [16] Crop Seeds – Bamboo [Requires: Farm Plot | Farmhouse]
  6. [15] Signboard Pack – Rainbow
  7. [14] Floor Pack – Grass
  8. [15] Deco Pack – Colourful
  9. [14] Plant Pack – Large Ferns
  10. [16] Tree Pack – Season Trees
  11. [15] Deco Pack – Giant Flower
  12. [15] Bins – Rainbow Bin
  13. [19] Fountain – Jungle Falls
  14. [16] Deco Pack – Old West Structures

8d

  • [30] Zoo Bus Upgrade – Double Decker
  • [23] Meat Processor Efficiency [Requires: Processor]
  • [32] Advertising – Billboards – Increases visitors by 5%
  • [23] Faster Incenerator [Requires: Incenerator]
  • [19] Lampost Pack – Plant Themed [19]
  • [20] Food Shop – Convert to Lab Meat
  • [19] Employee Upgrades – Hiring Agency (allows you to instantly hire employees from a third party agency for a small fee)
  • [20] Factory – Handbag Factory [Requires: Warehouse | Crocodile | 100 Immorality]

1u

  1. [18] Deco Pack – Ice Sculptures
  2. [12] Animal Enrichment – Rope Toy
  3. [8] Rope Pack – Large Rocks
  4. [13] Release Hub (reintroduce animals into the wild – help bring back biodeveristy , and make animal populations thrive again) [Requires: 40 Morality]
  5. [5] Animal Shelter – Wooden Shelter
  6. [4] Animal Enrichment – Trampoline
  7. [1] Tree Pack – Tall Pine Trees
  8. [1] Animal Enrichment Pack – Small Ball
  9. [2] Plant Pack – Potted Plants
  10. [9] Lamppost Pack – Classic
  11. [6] Rock Pack – Cluster
  12. [17] Factory – Bacon Factory [Requires: Warehouse | Pig | 10 Immorality]
  13. [10] Plant Pack – Small Desert Plants
  14. [16] Restroom Pack – Temple

2u

  1. [20] Improbable Lab (use science to create vegetable based meat alternatives that are indiscernible from the real thing) [Requires: 100 Morality]
  2. [19] Deco Pack – Viking House
  3. [12] Crop Seeds – Beetroot [Requires: Farm Plot, Farmhouse]
  4. [17] Factory – Belt Factory [Requires: Warehouse | Snake | 35 Immorality]
  5. [10] Mountain Enclosure
  6. [9] Lamppost Pack – Black
  7. [4] Fountain – Mini Fountain
  8. [5] Slushie Shop
  9. [3] Bin Pack – Penguin Bin
  10. [3] Tree Pack – Big Trees
  11. [4] Plant Pack – Flowers
  12. [10] Surveillance
  13. [10] Crop Seeds – Coffee Berries [Requires: Farm Plot, Farmhouse]
  14. [10] Signboard Pack – Instructional
  15. [21] Factory – Wings Factory [Requires: Warehouse | Chicken | 75 Immorality]
  16. [21] Park Bin Capacity

3u

  1. [18] Tree Pack – Rainbow Trees
  2. [16] Deco Pack – Large Signs
  3. [20] Chicken Coop [Requires: Warehouse | Chicken | 55 Morality]
  4. [9] Animal Enrichment – Salt Block
  5. [6] Bench Pack – Chairs
  6. [10] Farming [Requires: 10 Morality]
  7. [10] Electricity Siphon [Requires: 5 Immorality]
  8. [5] Crop Seeds – Cabbage [Requires: Farm Plot, Farmhouse]
  9. [10] Factory Pack – Wind Turbine
  10. [5] Restroom Pack – Brick Restroom
  11. [7] Pretzel Shop
  12. [10] Water Pump Upgrade [Require: 25 Morality]
  13. [9] Animal Shelter – Mossy Shelter
  14. [11] Deco Pack – Old West
  15. [16] Crop Seeds – Nightshade [Requires: Farm Plot, Farmhouse]
  16. Farm Processor – Extra Crop Pickers

4u

  1. [21] Breeding Facility – Add Rooms
  2. [15] Shelter Pack – Rainbow Umbrella
  3. [16] Fountain – Elephant Fountains
  4. [10] Tree Pack – Fancy Trees
  5. [7] Animal Enrichment – Wooden Logs
  6. [12] Sewage Recirculator [Requires: 20 Immorality]
  7. [9] ATM
  8. [10] Balloon Shop
  9. [7] Animal Enrichment – Large Ball
  10. [8] Info Kiosk
  11. [10] Pizza Shop
  12. [7] Signboard Pack – Navigational
  13. [12] Churros Stand
  14. [11] Bench Pack – Animal Benches
  15. [16] Deco Pack – Desert Statues
  16. [23] Meat Processor Efficiency [Requires: Processor]

5u

  1. [19] Deco Pack – Animal Ice Statues
  2. [24] Subway Pack – Themed Subways
  3. [13] Bench Pack – Themed Benches
  4. [8] Plant Pack – Special
  5. [17] Warehouse
  6. [9] Floor Pack – Wood
  7. [15] Lamppost Pack – Low Lights
  8. [9] Deco Pack – Nature Archways
  9. [8] Floor Pack – Stone
  10. [9] Animal Shelter – Caves
  11. [18] Factory – Glue Factory [Requires: Warehouse | Cow | 25 Immorality]
  12. [12] Forest Enclosure
  13. [12] Subway Pack – Animal Themed
  14. [10] Plant Pack – Artic Plants
  15. [21] Windmill [Requires: 80 Morality]
  16. [19] Store Room – Add Fridge

6u

  1. [19] Deco Pack – Aztac Temple
  2. [19] Deco Pack – Balloons
  3. [10] Deco Pack – Old West
  4. [20] Factory – Egg Battery [Requires: Warehouse | Chicken | 60 Immorality]
  5. [12] Animal Enrichment – Car Tire
  6. [13] Crop Seeds – Lettuce [Requires: Farm Plot, Farmhouse]
  7. [10] Signboard Pack – Instructional
  8. [12] Subway Pack – Nature Themed
  9. [11] Deco Pack – Desert Archways
  10. [13] Crop Seeds – Berries [Requires: Farm Plot, Farmhouse]
  11. [10] Signboard Pack – Instructional
  12. [12] Animal Enrichment – High Striker
  13. [12] Deco Pack – Special
  14. [11] Deco Pack – Themed Archways
  15. [14] Deco Pack – Vine Archways
  16. [23] Furnace Efficiency [Requires: Furnace]

7u

  1. [18] Plant Pack – Peafowl Bush
  2. [18] Tree Pack – Giant Tree
  3. [20] Fries Shop
  4. [14] Rock Pack – Large Rocks
  5. [33] Deco Pack – Balloon Sign
  6. [15] Water Basin – Large Basins
  7. [16] Crop Seeds – Corn [Requires: Farm Plot, Farmhouse]
  8. [20] Bar
  9. [15] Bins Pack – Wooden Bin
  10. [14] Floor Pack – Biome
  11. [16] Deco Pack – Statues
  12. [20] Gift Shop
  13. [25] Lamppost Pack – Animal Lights
  14. [16] Lollipop Deco

8u

  1. [30] Lamppost Pack – Themed Lights
  2. [23] Faster Incinerator [Requires: Incenerator]
  3. Warehouse – Extra Storemen [Requires: Warehouse]
  4. Park Bin Capacity
  5. [19] ATM Commision
  6. [18] Deco Pack – Ice Castle
  7. [19] Vending Machine Credit Upgrade
  8. [26] Farmhouse – Extra Farmers
  9. [32] All Bins Recycle [Requires: Recycling Center]
Egor Opleuha
About Egor Opleuha 4471 Articles
Egor Opleuha, also known as Juzzzie, is the Editor-in-Chief of Gameplay Tips. He is a writer with more than 12 years of experience in writing and editing online content. His favorite game was and still is the third part of the legendary Heroes of Might and Magic saga. He prefers to spend all his free time playing retro games and new indie games.

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