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.

Game design is a large field, drawing from the fields of computer science/programming, creative writing, and graphic design. In fact, creating a video game is a long and complex process with many subsequent tasks and roles required to make a finished, playable product.