Are we dead yet?

A zombie apocalypse... and a bunker! Everything started to fail a while ago, so we need to make sure everything is fine "up there" before we free ourselves. Who's gonna do it and when is the right time? Some beams and logic might do the trick. Or... Death...
Jam year: 
MS Windows
Tools and Technologies: 
Unity (any product)
Technology Notes: 
Used Photoshop CC for graphics.
Installation Instructions: 

Extract, open folder, execute .exe, play!



Game Stills: 
Source files: