Kaettekita! Gunjin Shogi: Nanya Sore!?

At the title screen, highlight "1PLAY", then hold Right, A, and B on Player 2's controller. Press A on Player 1's controller and the cheat will be executed. During a one-player game (or the demo sequence), a number will appear on the center of the screen before the enemy's turn starts, showing some of their stats. Additionally, you can hold B on Player 2's controller, then press B on Player 1's to turn the enemy names on and off.

At the title screen, hold A & B on controller 2 and press A on controller 1.

At the password screen, press Down 4 times and enter the Japanese character. Press Up 2 times, Left 1 time and enter the Japanese character. Press Up 2 times, Right 2 times and enter the Japanese character. Press Down 2 times and enter the Japanese character. Now select End and you'll hear a jingle confirming the correct password. Press Left or Right to scroll through the music.