BIG ROUND · Bubble Gum Simulator Infinity Wiki

BIG ROUND is a limited Secret pet in Bubble Gum Simulator Infinity. It could be hatched from the

Brainrot Egg at a 1 in 50 million chance while it was out, from 13 to 26 September 2025.

Hatching

Egg	Chance
Brainrot Egg	1 in 50 million

Base odds, before any boosts.

Form	Bubbles	Gems	Pearls	Copies
Normal	+6,000	×125	×475	1,509
Shiny	+9,000	×187.5	×712.5	113
Mythic	+10,500	×218.75	×831.25	32
Shiny Mythic	+13,500	×281.25	×1,068.75	1
XL	+15,000	×312.5	×1,187.5
Shiny XL	+22,500	×468.75	×1,781.25
Mythic XL	+26,250	×546.88	×2,078.13
Shiny Mythic XL	+33,750	×703.13	×2,671.88

13 Sep 2025Update 20
Added, hatching from the Brainrot Egg.
26 Sep 2025Update 22
Removed from the Brainrot Egg. Trading is now the only way to get one.

Secret petsShow

Sources: Bubble Gum Simulator Infinity, read from the game, Bgs-infinity Fandom wiki (CC BY-SA)