Relax is a suite of self-improvement software written by Kelly Jones and Bill Williams for Atari 8-bit computers and published by Synapse Software in 1984.

[1] Subtitled "The Stress Reduction System", Relax uses a headband containing sensors attached to electromyograph hardware to provide audio/visual feedback in three interactive programs.

[2] It also includes a 25-minute cassette tape of guided relaxation.

Relax is a package of three programs: a continuous graph of the user's tension level; a program that displays kaleidoscopic patterns with color changing tones; and a game which encourages the player to use tension and relaxation to win using a headband that monitors the player's muscle tension.

[3] Roy Wagner reviewed the game for Computer Gaming World, and stated that "Next time you've played a stressful game or have too many hours at the joystick, before you shot off your computer, load this program and r-e-l-a-x-x-x-...."[3]