Smeags on 14 May 2009
Hard-core
–adjective
1. unswervingly committed; uncompromising; dedicated: a hard-core segregationist.
2. pruriently explicit; graphically depicted: hard-core pornography.
3. being so without apparent change or remedy; chronic: hard-core inflation; hard-core unemployment.
I would define games in the "Hardcore" sense as dictionary.com states in its first definition. Hardcore is more of a mindset for a player rather than a game label. For me, It's how you play the game. So yeah, I consider myself a hardcore Wii Sports Golf gamer. 
