A small, electronic brain capable of processing a billion giga-threads per second.

—In-Game Description

Exa Brain is a Resource extracted from the Scrubber, a Servofish found in caves during cold/warm weather in Orb Vallis. Broad-Spectrum Bait is recommended.


Exa Brains are acquired by dismantling Scrubbers caught through Fishing. Go to The Business in Fortuna, select the desired amount of Scrubbers available, and select the "Dismantle" option to extract the components.

Each Scrubber yields one Exa Brain.

Exa Brains can be found randomly in containers.

Blueprints Requiring Scrubber Exa BrainEdit

Click to view the Blueprints requiring Scrubber Exa Brain.
Blueprints Type Quantity
Beaky Nose K-Drive 10
Catchmoon Chamber Kitgun 10
Deepbreath Loader Kitgun 5
Dink-A-Donk Nose K-Drive 10
Highbrow Reactor K-Drive 10
Munit Gyro MOA 10
Wingnut Nose K-Drive 10
Total 55
Research LeaderBadgeGhostHolo x1   LeaderBadgeShadowHolo x3   LeaderBadgeStormHolo x10   LeaderBadgeMountainHolo x30   LeaderBadgeMoonHolo x100

Last updated: Update 24.0


  • Exa- is a prefix denoting 1018, or 1,000,000,000,000,000,000.
    • In computing, a Thread refers to the smallest sequence of programmed instructions an operating system can perform, typically one thread per CPU, though this can be multiplied via Multithreading. A "billion giga-threads" is exactly one exa-thread (109 × 109 = 109+9 = 1018); for comparison most commercially available CPUs can perform anywhere from 1 to 32 threads.
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