Warzone 4.6 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Warzone lies within Games, more precisely Action.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of the free software is Falco Software Company.
From the developer:
An unknown terrorist organization seized a city in one far Eastern country. You were sent as part of a special forces unit to free this city. The enemy has a numerical advantage, so you must be as careful as possible to survive. Destroy the enemies and free the city! Good luck!
You may want to check out more software, such as Warzone 2100, Battlefield: Bad Company 2 or Arctic Combat, which might be related to Warzone.