Race for Eggs Mutations Guide — Gold, Radioactive & Rainbow

Mutations are the layer that makes two identical pets different assets. Understanding them changes how you handle duplicates, what you chase in egg rolls, and what you should never sell blind. This guide covers what is verified about the system and the habits that follow from it.

What are mutations?

Named variants that change what a pet is worth. The three families seen in creator footage so far:

The game’s official tags — Rainbow, Colorful — line up with the variant theme, and the community’s biggest videos are built around pulling rare variants. As with everything else in this game, the Saturday updates are where new mutations are most likely to appear.

Why duplicates are not junk

Three systems stack on a single pet:

1. Mutations — the variant multiplies value
2. Levels — pets level up to a maximum, improving performance through use
3. Slots — limited, upgradable, and the reason “more pets” is not free

The practical rule: before you sell or trade any duplicate, check its variant. A mutated common can out-earn a plain rare, and even an unmutated duplicate feeds pet levels. Selling blind is a double loss.

How should mutations change how I play?

Four habits that come directly out of the system:

1. Look before you liquidate. The one-second variant check is the highest-value habit in the game.
2. Do not chase variants early. The 1%-chance tier is not an early-game target — build the cash engine first (pets guide).
3. Let easy courses roll for you. Rare eggs can appear on courses you already clear, and variants roll on whatever hatches — so volume of hatches matters as much as the quality of the egg (eggs guide).
4. Keep the best, level the rest. Your top variant earns; duplicates level it or your other keepers.

Do mutations survive rebirth?

Pet progression is exactly why an account is worth rebuilding after a rebirth. Creator “starting over” runs keep their pets across rebirth cycles — the multiplier changes, the collection does not. Treat mutated pets as long-term assets: they keep earning through every reset, which makes them the strongest argument for taking rebirths early rather than hoarding a single run’s progress (rebirth guide).

What is still unconfirmed?

In the spirit of not inventing data:

• Exact mutation rates beyond the one creator-reported 1% figure
• Whether mutations can be re-rolled or transferred between pets
• The full variant list — the game updates weekly and new variants ship with updates

This page is dated and re-checked after Saturday patches. If you spot a variant not listed here, the comments are open — reports feed straight back into this guide.