Inside the server room, navigate to the absolute center cluster of servers. Walk directly down into the tight gap between two massive computer towers to find a hidden implant case. Mission 6: The Garage and Beyond Secret 1: The Outer Highway Wall
Inside the first warehouse room, you will see a massive stack of red and blue cargo crates in the upper-right corner. Walk completely behind them to trigger a secret area containing a pistol upgrade and cash. Mission 2: Deep Darkness Secret 1: The Broken Ventilation Shaft alien shooter 2 reloaded all secret place
Hidden "Cigarettes" implants; look for access panels in medical stations. Inside the server room, navigate to the absolute