コナミコマンド

noun

Konami Code

A famous cheat code in video games, originally from Konami titles. Entered as a specific button sequence to unlock hidden features or power-ups.

from English Konami command

• コナミコマンドを入にゅう力りょくすると、隠かくしステージが遊あそべる。

  If you enter the Konami Code, you can play a hidden stage.