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"There is something more powerful than each of us, a combination
of our efforts, a Great Chain of industry that unites us." - Andrew Ryan
- "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]
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.
- 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.
|Central Hall||Programming · Machine Graveyard|
|Ventilation Control||Core Access · Climate Control · Exhaust Venting|