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Fossilus

Legendary pet

Fossilus is a limited Legendary pet in Bubble Gum Simulator Infinity. It could be hatched from the Fossil Egg at a 1 in 5,000 chance while it was out, from 31 May to 17 June 2025.

Hatching

EggChance
Fossil Egg
Fossil Egg		1 in 5,000
FormChance per hatch
Fossilus
Normal		1 in 5,000
Shiny Fossilus
Shiny		1 in 200,000
Mythic Fossilus
Mythic		1 in 500,000
Shiny Mythic Fossilus
Shiny Mythic		1 in 20 million
XL Fossilus
XL		1 in 10 million
Shiny XL Fossilus
Shiny XL		1 in 400 million
Mythic XL Fossilus
Mythic XL		1 in 1 billion
Shiny Mythic XL Fossilus
Shiny Mythic XL		1 in 40 billion

Base odds, before any boosts.

Forms

FormBubblesGemsCoins
Fossilus
Normal		+800×18×75
Shiny Fossilus
Shiny		+1,200×27×112.5
Mythic Fossilus
Mythic		+1,400×31.5×131.25
Shiny Mythic Fossilus
Shiny Mythic		+1,800×40.5×168.75
XL Fossilus
XL		+2,000×45×187.5
Shiny XL Fossilus
Shiny XL		+3,000×67.5×281.25
Mythic XL Fossilus
Mythic XL		+3,500×78.75×328.13
Shiny Mythic XL Fossilus
Shiny Mythic XL		+4,500×101.25×421.88

Trivia

  • @sobonoodles drew the concept art on Discord.

History

  1. Update 6

    Added, hatching from the Fossil Egg.

  2. Update 8

    Removed from the Fossil Egg. Trading is now the only way to get one.

Legendary petsShow
Legendary633
CategoriesPets

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

Last edited 15 Oct 2026