✓ Same family of first-person shooters: shooter, first-person shooting and dark, oppressive atmosphere
≠ Stands apart with survival mechanics, horror tension and ranged combat, while skipping adventure storytelling
Everything the first game did plus melee weapons, daylight campaigns and special infected that force the team apart rather than just damage it. The AI Director still shapes every run. It absorbed the original so completely that the community split never healed, and the campaigns lean on finale set pieces that become rote once you know the safe corners.
It predates John Carpenter's Toxic Commando by 17 years, with what that implies technically.