However, replacing ← and → with the L and R triggers of the SNES controller powers up the ship. In the Super NES version of Gradius III, the original code destroys the player's ship.The Konami Code was thus included in the series' other sequels and spin-offs, with some key differences:

The sequence was easy enough to remember for testers and simultaneously sufficiently hard to enter accidentally during the gameplay for unsuspecting users. The developers decided to leave it there, as removing it could result in new bugs and glitches. The code was meant to be removed prior to publishing, but this was overlooked and discovered as the game was being prepared for mass production. After entering the sequence using the controller when the game was paused the player received all available power-ups. Finding the game too difficult to play through during testing, he created a cheat code to give the player a full set of power-ups (normally attained gradually throughout the game). The Konami Code was created by Kazuhisa Hashimoto who was developing the home port of the 1985 arcade game Gradius for the NES. The code was first used in the 1986 release of Gradius, a scrolling shooter for the NES and was popularized among North American players in the NES version of Contra, for which it was also dubbed both the 'Contra Code' and '30 Lives Code', because of its near necessity in-game. 6 References to the Konami Code in popular media.3.7 Other Konami games (in alphabetical order).3.4 Teenage Mutant Ninja Turtles series.

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