APERTURE'S HOUR fills the gap between Portal & Half-Life by giving a look at Aperture Laboratories during the Black Mesa Incident and the resulting Seven Hour War. Taking the role of an employee stuck in a testing cycle following GLaDOS' complete takeover on Bring Your Daughter to Work Day, make your way through and escape the now malfunctioning facility.
Here is some work-in-progress content of the first chapter "Observation".