Find a vaccine for your friend infected before the time runs out, but be aware of the fact that your friend will relapse, sooner or later, and you need to find a new vaccine in a new way, in a house rebuilt in a random manner. You will be able to find out the mystery to save your friend, once and for all?
This walkthrough is valid for PC / PS4 / XBOX ONE / SWITCH. We update the list of consoles every time a new one is added to the list.