Rubber Sealant

Rare Plane upgrade

Prepares for most shocking circumstances.
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Tax: 5 g / 100 i
Guild: 5 g / 100 i
Wiki page
NameLocationNormal %Difficult %Lethal %
AmbassadorThe Island1 in 1
N.A.N.A.Home for Special Children1 in 5
Doomsday MechanismSuper Secret Base1 in 11 in 11 in 1

Drop rates are either: datamined, based on a pattern, or even simply estimated from observation.

As of 2019/11 drop rates can no longer be datamined. Data is updated based on patch notes and developer commentary.