Other
- Hardcore wrestling, a form of professional wrestling
- Hardcore dancing, a maneuver usually performed at live performances of heavy or extreme music
- Hardcore pornography, an explicit form of pornography
- Hardcore (comics), a fictional character in the Marvel Universe
- Hardcore (1977 film), a British comedy film
- Hardcore (1979 film), an American drama film starring George C Scott
- A "hard core" is one kind of semiconductor intellectual property core
- Permanent death, called "hardcore mode" in various video games
- Hardcore Gamer, a monthly-published video game magazine
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