First Mission to the series 'San Andreas Unliveable Nightmare'. You are playing as Eric Parker, a security guard in Sector 0. Your boss 'Paul Barrett' hands you a task to switch on the communication grid in the Control Bridge as it shorted a fuse and Sector 0 needs communication with Delta (where Test 303 takes place). You head to the communication bridge where you switch on the power again, only for Test 303 to unveil a new hell, and chaos bursts throughout the base, killing almost all personal and turning them into these 'creatures'. You must then link back up with your commander 'Paul Barrett' in Sector 0 as hell unwraps around you...