pop & funWikipedia1986 · Japan

The Konami Code began as a developer's cheat that was left in by accident

the gist

The Konami Code is a button sequence that unlocks hidden bonuses in video games. It was created by developer Kazuhisa Hashimoto while porting the arcade shooter Gradius to the NES in 1986. Finding the game too hard in testing, he added a cheat that granted every power-up at once. The code was meant to be removed before release, but the oversight was caught late, and the team kept it because pulling it out could introduce bugs. Testers found the sequence easy to remember but hard to enter by accident, so it spread into many later games.

so what

It is an early and influential example of the Easter egg, a hidden feature that became a game-design tradition and a shared language among players.

fun fact

In North America the code was popularized in the NES version of Contra, where it gave players 30 lives.

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