Here is the full list of all 26 TEOCIDA achievements.
Return to the program
Assimilate a principle
Solve the old puzzle
Look for it
This seems important
Choose your side
Follow their language
Find the first of many secret chambers
A virus in the program
Solve the window puzzle
Access the terminal
It probably never ends
Defeat your son
Find the patriarch's herald
Rescue alpha
Rescue beta
Rescue gamma
Rescue delta
Rescue epsilon
Rescue zeta