The U. B. C. S team. Nicholai, Carlos, Michael, and Tyler is heve mission to rescue all survivor in Los Santos. The Los Santos is completly infected with the T-Virus. In this part you will play as Carlos olivera, memeber of U. B. C. S. So enjoy this DYOM.

Some chalange : You're not only fighting the zombies. Thre's gonna be some puzzle need to be solve. To solve them, you need to find some files to know what to do. The enemy can come anytime, becareful.