정부가 저작권 상표권 독점 보호
https://namu.wiki/w/%ED%85%8C%ED%8A%B8%EB%A6%AC%EC%8A%A4(%EC%98%81%ED%99%94)
https://www.youtube.com/watch?v=MTe8sBMYiZ8
https://www.youtube.com/watch?v=wUHnpcJ3xOc
https://www.youtube.com/watch?v=omXjhq7DqQY
Electronika 60 Game: Tetris (1984)An original Tetris game that was programmed on the Electronika 60 by Alexey Pajitnov at the the Soviet Academy of Sciences at Computer Center in Moscow Russi...www.youtube.com
정보) 테트리스는 저작권이 없는 게임이다
아직 있어 저작권