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Confidential Weapons Document No.4 was a winning item that is obtainable by clearing Panic Room in Counter-Strike Online.
This item is no longer obtainable after the Zombie Scenario Re:boot patch.
Overview[]
Can be combined with other 3 confidential weapons documents to obtain Weakness Analyzer Season 3.
Trivia[]
- The first time Panic Room was released in Singapore/Malaysia region, if players complete the game and use this item, they will get a bug that the game will be auto disconnected and cannot log in again. However, this bug was fixed soon at the same time (the players will recieve 1 Big Emergency Medicine instead after finishing the game).