John Cook
John Cook, credited as Lead Test, Business Manager and Testers.
Appear in the games: Prison Architect, Counter-Strike: Global Offensive, Portal 2, Left 4 Dead 2, Left 4 Dead, Portal, The Sims 2, Battlefield 2, Half-Life 2 and Counter-Strike: Source.
Credits (30)
Assistant Producer
Developer
Valve
The Half-Life Team
Staff
Business
Staff
QA Leads
Tester Lead
Testers
Hookstone Worldwide Representation
Agent
Special Thanks
