I don&#x27;t know about ACS, but GTA5 had 1,000 people working on it at some point:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Development_of_Grand_Theft_Auto_V#Overview" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Development_of_Grand_Theft_Aut...</a>