The checkpoint is the only barrier between the infected zone and the surviving areas. Every day, dozens of refugees approach the gates seeking salvation. The player's task is to screen arriving survivors, identify the infected, allow healthy ones through, and protect the base from threats.

Perfect Start Walkthrough

All symptoms unlocked
Start the game with 3000 investigation points
All tools unlocked at the beginning
Start the game with 10001500 money

Installation:

Save the game to: C:\Users\your nickname\AppData\Local\QZSim\Saved\SaveGames\your game ID
Disable cloud saving on Steam
Important: You can fully progress through the game and upgrade everything on day 5.

Author: MountainousLeif