A: For most single-player modes, no. Many multiplayer servers, however, may still require a valid CD key to connect. The CD key is separate from the CD check.
The Quake 3 Arena No CD patch was more than a utility; it was a symbol of the era. Quake 3 Arena No Cd Patch
Ensure you have the full game files, not just the patch. A: For most single-player modes, no