Rescue is the main feature of Zoo.
The ability to rescue is already unlocked from the start. Once you create a profile, you have the ability to do so.
Main Article: Rescue Cooldown
After every rescue, you must wait for your rescue cooldown to finish, before rescuing again. By default, the rescue cooldown is 6 hours, but it can be increased or decreased in a various of ways.
When you rescue, you will always rescue an animal (with the exception of Cursed Dice). The animal will be added to your inventory. In addition, you may rescue two of the same animals at the same time, referred to as a pair of animals, which is affected by Luck.
When you rescue, there is a chance you will get an Item. The chances of getting an item is affected by Luck.
If you have an active leader and The Mechanic has finished upgrading an item, rescuing an animal will make you get the upgraded item, without having to type “/mechanic”.
After you have completed or fulfilled a requirement of a relic or a cosmetic, you will get that relic or cosmetic on your next rescue.
Whenever you rescue, two number are rolled from 1 to 100 inclusive.
Each point of Luck reduces the max roll by 12.
| Amount of Luck | Max roll | Chances of getting a pair | Chances of getting an item |
|---|---|---|---|
| 0 | 100 | 5% | 15% |
| 1 | 88 | 5.68% | 17.0% |
| 2 | 76 | 6.58% | 19.7% |
| 3 | 64 | 7.81% | 23.4% |
| 4 | 52 | 9.62% | 28.8% |
| 5 | 40 | 12.5% | 37.5% |
| 6 | 28 | 17.9% | 53.6% |
| 7 | 16 | 31.3% | 93.8% |
| 8 | 4 | 100% | 100% |
When you rescue, it rolls once only to determine which animal you get.