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Sinister Skull
Sinister Skull is a Secret pet in Bubble Gum Simulator Infinity, obtained from Sinister Egg.
RaritySecret
AvailabilityLimited
Obtained fromSinister Egg
Published hatch chance1 in 10B
Bubbles+7,350 Bubbles
Gemsx135 Gems
Candycorn+250 Candycorn
Mythic formExists
SeriesHalloween 2025
Added to the game2025-10-17
Left the game2025-11-07
Hatches from
Odds shown are that egg's published hatch chances, normalized so each egg's pool totals 100%.
Trade value
No current community value list we trust prices the Sinister Skull yet, so this page shows no figure rather than an invented one. It is checked again at every Friday refresh. Trading unlocks after hatching 2,000 eggs.