Counter-Strike: Condition Zero Walkthrough - GameSpot

The counterterrorists always win after you read our walkthrough to Counter-Strike: Condition Zero. The guide includes weapon tips, and strategies for each map in the Tour of Duty. You also get a full walkthrough for the deleted scenes campaign.
Condition Zero's release is overshadowed by no fewer than three new technologically advanced, highly anticipated shooters, which all cast a harsh light on what is essentially a 6-year-old game--albeit a classic one.

Counter-Strike: Condition Zero, Counter-Strike Wiki

Steam Community :: Guide :: All secrets and hidden items

What is the most useless weapon in video game history? - Quora

Counter Strike Condition Zero Prima Official Eguide, PDF, Sniper

Counter-Strike: Condition Zero Walkthrough - GameSpot

Counter-Strike: Condition Zero Walkthrough - GameSpot

Counter-Strike: Condition Zero - IGN

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Counter-Strike, Counter-Strike Wiki

Steam Community::Counter-Strike: Condition Zero

Counter-Strike: Condition Zero Walkthrough - GameSpot