Gamer

gamer, gaming, n. Also gaming (v.), to game (v.). 1. one who plays games. 2. specifically, one who plays games of specific "hobbyist" genres, namely role-playing games, wargames, strategic simulations, and strategy & collectable card games; also computer-based variants of these games. 3. to game, (v.): the act of playing a game. Ex: Sorry, I can't go on a date -- I'm gonna be gaming all weekend.
4. gaming (n.): hobbyist games as a field of interest, or as an industry.
Ex: I used to go on dates, until I got into gaming. [GJ1]