The Laboratory

After obtaining the ID Wristband from Sherry, use the computer in the Security Room to get the NEST-wide Alert file. Save at the Reception.

In the Nap Room, collect the Nap Room Log from the computer.

Proceed east to the Cafeteria. Find a Hand Grenade on a Zombie, Flame Rounds on a table to the west, and Large-caliber Handgun Ammo on a central table.

Follow the room to a ladder, climb up, and navigate the vent to drop into the Kitchen. Find Gunpowder (Large) by the window and a Combat Knife on the worktop.

Continue through the door and turn right to the Nap Room. Collect Flame Rounds from the desk and the High Voltage Condenser (Spark Shot) from the adjacent locker. Combine this with your Spark Shot.

Remove the Electronic Chip from a Zombie in the middle sleeping station and combine it with your ID Wristband to create the ID Wristband (General Staff).

Exit the Nap Room, return to Reception, and head south to the North Area. Use the ID Wristband to extend the bridge. Collect the Special Forces Recording and Signal Modulator from a Zombie.

Cross the bridge to the Main Shaft. Head south and use the ID Wristband on the left control panel to extend another bridge to the East Area. Proceed to the Lobby.

In the Lobby, collect a Green Herb from a desk and Gunpowder from a desk to the northeast. Save your game and head through the east door.

Enter the northwest corner and proceed through the door into a corridor. Follow it to find High-Grade Gunpowder (White).

Continue until you encounter an Ivy enemy. Use Flame Rounds with the Grenade Launcher, as they are weak to fire.

Head to the Greenhouse Control Room. Collect a Flash Grenade and interact with the Solution Sprinkler System to get the Dispersal Cartridge.

Enter the Greenhouse. Go downstairs to find a Red Herb, and then south to find a Blue Herb. Note the combination in the southeast corner.

Return to the control room and input the combination into the Facility Control Terminal to open a hatch.

Head down and turn left to find Gunpowder (Large) and the Research Lab East Area Map.

Enter the Lounge. Find a Green Herb on a chair to the south and Flame Rounds on a chair to the north.

Go to the southwest corner and examine the Signal Modulator. Set its frequency to URF by pressing R1/RB, then realign the lines to match the yellow lines. Place the modulator back into the circuit breaker to restore power in the Lounge.

Enter the Server Room (Safe Room). Find a Combat Knife near the Typewriter, Flame Rounds on a shelf to the left, and High-Grade Gunpowder (White) on a table to the south.

Go to the Low-Temp Testing Lab. Find the Trophy on the desk.

Return to the Greenhouse Control Room with the Trophy. Input the trophy's combination at the bottom to open the Drug Testing Lab.

Enter the Drug Testing Lab. Collect Herbicide Synthesis from the desk, a Hand Grenade from a Zombie at the back, and Gunpowder (Large) from a central desk.

Head southwest and interact with the Solution Dispenser to place the Solution Cartridge. Solve the puzzle by following this order for the solution: Blue, Red, Green, Red, Blue, Red, Blue, Green, Blue, Red, Green.

Return to the Lounge, then proceed to the Low-Temp Testing Facility. Interact with the computer to get Wayne Li’s Inbox.

Continue further into the Lab and place the solution in the Cooling System to receive the Dispersal Cartridge (Herbcide). Collect Gunpowder before leaving.

Go to the Greenhouse Control Room with the Dispersal Cartridge. Place it into the Solution Sprinkler System to access the body by the window. Collect the Electronic Chip.

Combine the Electronic Chip with your wristband to create the ID Wristband (Senior Staff).

Head to the West Area to continue your objective.