What does the Konami code do?

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Tags

1. #player
2. #version
3. #command
4. #several
5. #inclusion
6. #buttons
7. #games
8. #obtain
9. #widely
10. #combination
11. #lives
12. #allowed
13. #special
14. #popularized
15. #where
16. #konami
17. #appears
18. #contra
19. #komando