References and easter eggs you found

[Omnitool]

In the Omicron Structure Gel labs, there is a whiteboard with a graph and various notes. In the right upper corner of the whiteboard "System Shock" is written.

Also in Omicron, in the room where all mutated sealife specimens are stored there is a vat with a black creature, that when looked at resembles a Reaper from the "Mass Effect" series.