Brigid TenenbaumHQ
"The slugs alone could not provide enough ADAM for serious work. But combined with the host...
now we have something."
Brigid Tenenbaum

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Core Access Sign
The equation is nearing its conclusion, Sigma. The answers... lie in the Core! The Thinker is waiting for you, Sigma! And so am I...
Reed Wahl[src]

Core Access is the last section of Operations, located past Ventilation Control. It leads directly to the computer heart of The Thinker.


Ops Mural from FF

In its prime, Core Access controlled contact with The Thinker through its only entryway. Scientists and Engineers changed into sterile clothing in the Clean Room to perform calculations and maintenance on The Thinker's inner workings.


Minerva's DenEdit

Main article: Minerva's Den

When Subject Sigma enters, Reed Wahl throws the cooling system into overdrive and freezes the entrance shut. Sigma must then journey to Climate Control to thaw the area to reach The Thinker's mainframe. After successfully defrosting the entrance, he is allowed access to the Thinker's Core and chase Wahl.