Codebreaker

Codebreaker, released in 1978 for the Atari 2600, is a puzzle game featuring three variants: Bagels, Nim, and Mastermind. In the main mode, the player must guess a secret code of 3 or 4 digits. The game uses the Atari control panel to enter guesses and provides indications on the accuracy of each attempt. Codebreaker offers single-player and multiplayer modes, with difficulty options adjustable via the Atari 2600 switch. The Sears version of this game, under reference 6-99815, is part of the Telegames product line.