A gamer is a person who plays interactive games, especially video games, tabletop role-playing games, and skill-based card games, and who plays for usually long periods of time. Some gamers are competitive, meaning that they compete in some games for money. There are many different gamer communities around the world.

A video game publisher is a company that publishes video games that have been developed either internally by the publisher or externally by a video game developer. Most video games created by an external video game developer are paid for with periodic advances on royalties.