Get past the Orochi perimeter without being detected.
Find a way into the Orochi camp without being detected.
There are two ways to do this. You can jump over the fence, or you can open the gate.
The code for the front gate is available in plain text.
You can find it on the dead Orochi inside the van. The same van which you also can use to jump over the fence.
Code for the front gate
The code is 0943786.
Find a way inside the science barracks.
It's the big tent located to the south.
There are people inside the tent.
You need to get them out.
Did you find something usable in the camp?
Did you find the Hydrogen sulfide cannister? (H2S)
Find a way to release the gas into the tent.
Find the Air-conditioning unit on the west side of the tent. Click it to release the gas and chase everybody out until the air can be cleaned.
Examine the broken holding cell.
Get more information from a terminal
The password is available inside the tent.
Find the abandoned cell phone. It's on the floor between the sleeping bunks.
The password is Henry5621. On the laptop itself you can also choose hint → 1 to avoid finding and typing the password yourself.
Find a communication unit and transmit the data.
It's inside the van with a big antenna disc on top.
There is a person inside the van.
You need to get her out.
You need to get her to do something else than whatever she is doing inside that van.
It's a method you probably have used before.
You might have used this method to attract zombies.
The car next to the van has a blinking red light in the front window, indicating a car security alarm. Jump on the car to set off the alarm, then move away from the car. If you didn't get caught you should now have a short while to get inside the communications van.