A Game of Concentration (also known as Concentration and Hunt & Score) is a video game developed by Atari, Inc. and released in 1978 for the Atari VCS (later renamed to the Atari 2600). It was programmed by Jim Huether, and is a version of the classic memory game. It was one of a handful of games that used Atari's keypad controllers. The game was released by Sears for the "Sears Video Arcade" under the name Memory Match.