Mutations
8.5× on the older limited-mutation list.
![Radioactive in [🥚] Steal a Brainrot](/media/optimized/9a4036b870d0324a5669c739-768.webp)
Radioactive: 8.5× on the older limited-mutation list. Get it by Legacy event or admin application. Use it to Above Lava and below Cursed on that published scale.
Radioactive is listed at 8.5× with the older limited mutations.
| Fact | Value |
|---|---|
| Factor | 8.5× |
| Availability | Older limited list |
Legacy event or admin application.
Above Lava and below Cursed on that published scale.
This guide is for the Roblox experience by the verified BRAZILIAN SPYDER group, place 109983668079237. Similarly named Roblox copies and Fortnite maps are different games. The live Roblox listing title uses a moon emoji; this site keeps the supplied egg-emoji name for that same place.
No. The official how-to-play text includes buying a Brainrot, stealing from other players, generating money, rebirthing, and using slaps or troll gear. A first session can be a cheap conveyor purchase, income, and a lock habit.
The code button exists. The named public codes collected here were limited-stock rewards and are filed as expired. BESTBRAINROTEVER is left off the table because September 22, 2026 lists call it expired and October 4, 2026 lists call it active.
A community Rebirth write-up says Update 66, on September 12, 2026, changed the reset so it takes the required Brainrots instead of every Brainrot in the base. Older guides still say cash returns to a small bonus, and some say gear is wiped. Read the confirmation panel before you accept.
Published references say one mutation per Brainrot. Traits are a separate layer and can appear with that mutation. Do not multiply every badge on a trading screenshot together; read the cash-per-second number on the unit.