Games used stuff like cd keys and even pieces of paper that deciphered codes as DRM. DRM was always something sought after by companies. Just take a look at Sony rootkit scandal for music CDs.
I referenced Online DRM. Can you name a single player game from before 2004 that required online DRM to play? (Not register. You needed to verify online almost every time before playing.si gle player HL2. )
Games used stuff like cd keys and even pieces of paper that deciphered codes as DRM. DRM was always something sought after by companies. Just take a look at Sony rootkit scandal for music CDs.
I referenced Online DRM. Can you name a single player game from before 2004 that required online DRM to play? (Not register. You needed to verify online almost every time before playing.si gle player HL2. )