Learn how to get the Rune and Key in Build a Zoo during the Roblox Halloween Spotlight event for free rewards.

Build a Zoo is one of the featured games in the Halloween Spotlight event on Roblox. You can find it inside Lobby 4 of the Cursed Clearing; you can earn a Rune and a Key by completing two simple themed quests. These rewards will help you unlock exclusive Halloween paths and bonuses across the event in the main hub.
In this guide, we will tell you how to complete both quests and unlock the Rune and Key fast.
Halloween Spotlight Build a Zoo Rune Guide

To earn the Rune in Build a Zoo, your main goal is to collect 20 Candies. Here’s how you can do it quickly:
Enter Build a Zoo from Lobby 4 and open the Halloween Spotlight menu on the right side of your screen. This shows your current progress. You can earn Candy by completing quests like:
- Staying online for 20 minutes x 10 Candy
- Buying a Halloween Mutation Egg x 12 Candy
- Hatching 5 Halloween Mutation Pets x 12 Candy
You can also like other players’ Zoos for an extra +2 Candy each time. Just make sure to wait 60 seconds between likes or it won’t count. If you repeat these steps a few times, you’ll easily hit 20 Candy and claim your Rune.
Build a Zoo Key Guide

For the Key, you need a total of 45 Candy. The best part is that you can work toward both the Rune and Key at the same time since progress overlaps. To earn Candy efficiently:
- Tap the Quest icon on the right side to see available Halloween missions.
- Each quest can be completed multiple times and refreshes every 24 hours.
- Some tasks, like staying online for 20 minutes, have multiple tiers-up to four repetitions that together reward 40 Candy.
The most effective method is to wait for the Halloween Weather Event to start. During this event, Halloween Mutated Eggs spawn on the conveyor belt. Buy and hatch five of these to boost your Candy total while liking other Zoos between spawns for extra rewards.
Tips for Faster Candy Farming
- Join when the Halloween Fest Weather Event is active, it only lasts five minutes but gives the best Candy and egg spawn rates.
- Mutated animals you hatch during the event earn up to 13x more than normal pets.
- Balance your time between completing quests and liking Zoos; it’s the fastest Candy combo.
- Log in daily since quest resets allow you to farm even more Candy the next day.
FAQs
How Long Does the Build a Zoo Halloween Event Last?
You can claim your Rune and Key till November 3.
Do I Need To Complete Both Quests Separately?
No, Candy from both quests counts together, so you’ll unlock the Rune and Key naturally.
What Happens After I Earn the Key?
You can use it in the Halloween Spotlight event hub to unlock special rewards and areas.
Can I Still Earn Candy After the Event?
No, Candy is exclusive to the Halloween Spotlight event and disappears after it ends.

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