Rex Research Institute

Rex Research Institute is a fictional organization in Counter-Strike Online.

Background
They are an organization of doctors and scientists who are creating a medicine for immortality. Their experiment on living things had created a zombies apocalypse. The zombies escaped from the lab and starts infecting people. This was also the place were Jennifer was captured and kept alive as a human experimental subject.

Structure
There are several maps showing this institute:


 * Rex - The main laboratory, Terrorists' threat to destroy the lab.
 * Roof - The rooftop battle, engaging the Terrorists from escaping the institute after the bombing of the main lab. There is no sign of any zombies yet.
 * Abyss - Rex Research Institute first view after the bombing incident, showing the basement of Rex. Counter-Terrorists combine their forces with the Terrorists to survive the zombie attacks.
 * Abyss2 - The Rex savior team detects the survivors (the players) and send their weapons to help the survivors surviving the evoluted zombies.
 * Chaos - The survivors must find the way out of the Rex maze basement by following orders from Rex savior team leader/

Products
Rex Research Institute has developed these weapons and products after the zombie incident:
 * Dual Nighthawks (freely supplied to humans in supply boxes in Zombie battlefields except the first battle)
 * Dual MP7A1s (freely supplied to humans in supply boxes in Zombie battlefields)
 * AK-47 60R (freely supplied but rarely found to humans in supply boxes in Zombie battlefields)
 * Skull-7 (the first weapon chambered with the 5.56mm Anti-zombie cartridge, anti-zombie upgrade version of the FN Minimi)
 * Skull-5 (a sharpshooter marksman sniper rifle designed for engaging zombies, based on the M14 EBR)
 * Skull-9 (a battleaxe made with special metal)
 * SL8 Rex Edition 2011 (a modified version of the German made SL8 sporting rifle)
 * M134 Rex Edition (a modified version of the Minigun which could reduce the static time)
 * 5.56 AZ (a cartridge based on the 5.56mm which for engaging zombies. It is chambered in Skull firearms only)

Trivia

 * It seems the Rex Research Institute is located in Cuba.The player could see posters which written in Spanish in the Lost City maps and the map Deadend was located in Havana.