Games That Require CD Keys: Older Titles & Some Physical Releases

CD keys are less common today (online activation replaced them), but still appear in:

Older Games (Pre-Broadband)

• 90s/early 2000s titles relying on disc-check/key for piracy protection

Physical Releases & Specific Publishers

• Some modern boxed games (Ubisoft, others) still use keys
• Games with strict DRM may require key even if digital

Historical Examples

• Morrowind, Half-Life 2, Counter-Strike: Source, Diablo II, StarCraft, C&C: Red Alert 2

Check If a Game Needs One

• Official site/product page
• Reviews/forums
• DRM info

Warning: "No-CD cracks" are often illegal and risky.