Pong's first test machine filled up with too many coins.

From a living-room game to a coin-operated machine

The key change was not inventing digital table tennis; it was reshaping the experience for an arcade. The Magnavox Odyssey’s table-tennis game used simple electronics to move a dot between two player-controlled paddles. It had no built-in screen or sound: players connected the console to a television and placed a transparent court overlay on the screen to make the play easier to follow.

Atari’s version made the game self-contained. A cabinet displayed the action, kept score, and let players start another round with a coin. That turned a spare, at-home activity into something legible and immediately playable in a public venue.

The design brief that became Pong

After seeing the Odyssey demonstrated, Nolan Bushnell asked Atari engineer Al Alcorn to make a table-tennis game as a training assignment. Alcorn had not yet built a video game, so he worked out how to control the ball’s movement and make its rebound change according to where it struck a paddle. Those small rules gave players a reason to aim rather than simply hold a paddle in the ball’s path.

The result was a compact loop: return the ball, adjust to its angle, and try to make the other player miss. The simple controls and visible score made the game understandable without instructions—a practical advantage in a noisy arcade, where a passerby might decide to play in seconds.

Inspiration, ownership, and a new market

Pong drew directly on the Odyssey’s table-tennis concept, but translating it into an arcade cabinet involved a different product and a different setting. The relationship was consequential, not merely coincidental: Magnavox later challenged Atari’s use of the idea, and Atari settled the dispute by licensing Magnavox’s video-game patents.

Pong’s success helped establish the coin-operated video-game cabinet as a viable business. Its lasting lesson was that an idea could travel from a home console to a public machine—and become a hit when its controls, feedback, and payment model were designed for the new place.