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Wiki Clock.png The game content described below is part of a Limited Time Event.
This content may not currently be available in game.
Attapetrol Attapetrol
Nugget Attapetrol.png
Tier Small
Group Item
Type Event
Byte Value 200 Bytes

Attapetrol is an event item in Astroneer. It is used in the EXO Biofuel Obtainment Operation (or the B.O.O) event to obtain rewards from the EXO Request Platform. This item is only available during the Halloween time.


Attapetrol is created by placing a Spookysquash Sample and a Mutant Spiny Attactus Seed in a Cauldrangea.


Attapetrol is used for the second tier of the EXO Biofuel Obtainment Operation event, requiring 120 to obtain the Endless visor reward. Like the other biofuels, Attapetrol is also explosive, and has roughly the same blast radius as Hydrazine.


  • During the EXO F.A.R.M. event of 2021, the color of Attapetrol was changed from purple to red.