Here is the full list of all 10 Asemblance: Oversight achievements.
You entered the Whiteshift.
You entered the Greenshift.
You've returned to the Source. Do you see the Truth?
You entered the Gammashift.
You entered the Blueshift.
You've found multiple perspectives of the truth.
Preparing to Enact the Termination Protocol.
You've accessed the memories of your superiors.
You've used your intellect to gain access to the investigation.
You've been exposed to the Anomaly.