Updated 07-28-2016 05:40 PM
To unlock this achievement you simply need to purchase all nine Titan OS Voices in the Black Market. Here is the list and the cost for each voice:
Hannah (Speaks in German) - 20,000 Credits
Elizabeth (Speaks in English) - 20,000 Credits
Isabel (Speaks in Spanish) - 20,000 Credits
Audrey (Speaks in French) - 20,000 Credits
Sofia (Speaks in Italian) - 20,000 Credits
Ryoko (Speaks in Japanese) - 20,000 Credits
Natalia (Speaks in Russian) - 20,000 Credits
Sid (Speaks in English) 30,000 Credits
Vanessa (Speaks in English) - 30,000 Credits
200,000 Total Credits are needed for all nine OS voices.