Corrupted Archives

A few months ago, I picked up an old hard drive at a yard sale. Most of its contents were ruined, corrupted beyond recovery, but buried inside I managed to salvage a single WAD file. When I tried to run it, Doom crashed instantly. The error message wasn’t anything I recognized, just strings of unreadable symbols, like something pretending to be text. Curious, I opened the file in an editor. I cleaned what I could, fixed obvious errors, and launched it again. This time it ran, but only until the end of the second level, where it crashed again with a different message. This one was even worse than the first. I kept digging, making small changes, trying to stabilize it. But every edit I made felt noticed, as if something inside the WAD was reacting, adjusting, pushing back. The corruption wasn’t random. It was responsive. Now I can’t get past the second level. Not because of bugs, but because something stops me. Lately, it doesn’t feel contained anymore. The corruption is changing things outside the file, outside the game. I’m done trying. Maybe one of you can go further than I could. But if you do, whatever you find in there, destroy it before it finds its way out.