This guide will show you how to fix the achievement bug in Black Mesa. The Black Mesa achievement bug in question is the Post-Mortem Interval, where players are required to find each member of the missing research teams.
Solution
Lots of folks think this achievement is broken, like a glitch in a video game that can’t be fixed. Some even suggest you need to go back to an older version of the game to make it work. But in reality, after playing for almost 50 hours, I found out that it’s as easy as just hitting the “E” key on the bodies you need to pick up.
That's everything we are sharing today for this Black Mesa guide. This guide was originally created and written by Toinco. In case we fail to update this guide, you can find the latest update by following this link.