Quake Shareware CD: The DRM That Lasted 39 Days

Quake Shareware, a CD-ROM just a little too full

In 1996, id Software packed Quake's shareware CD with encrypted versions of their entire catalog, hoping players would call a hotline to unlock them. The scheme collapsed when hackers cracked it in 39 days, revealing that the unlock codes were merely proof of payment, not secrets. This deep dive explores the flawed TestDrive DRM, the QCRACK exploit, and the many bugs that made pirates' experience better than paying customers'.