The phrase "core gamers" refers to people who are highly dedicated and passionate about video games. These individuals typically spend a lot of time playing games, follow gaming news and updates, and have a deep knowledge about the gaming culture.
Thing is, the vast majority of those players aren't the kind of core gamers who will drop everything to pre-order the sequel of a game from 2010. (nerdbite.com)
But at the same time, we've never had a bigger year for core games as we'll have this year. (vg247.com)
We are bit by bit expanding knowledge in game design, and we do have some serious hard core gamers in the team. (igda.fi)