Tetris
Books: GAME BOY Secret Codes - Secret Codes 2003 - Game Boy Games Secrets
CEC-30E-C45 Keep stack displayed while paused
D9C-53E-D5D Keep current and next pieces displayed while paused
*= Codes are switchable; switch on when you need the piece of your
choice. Pieces are numbered 1 to 7, so write down which number stands for
which piece
000-63D-6E9 + 3E0-64D-5D0 + 000-65D-087 *Only piece 1 will appear
000-63D-6E9 + 3E0-64D-5D0 + 040-65D-087 *Only piece 2 will appear
000-63D-6E9 + 3E0-64D-5D0 + 080-65D-087 *Only piece 3 will appear
000-63D-6E9 + 3E0-64D-5D0 + 0C0-65D-087 *Only piece 4 will appear
000-63D-6E9 + 3E0-64D-5D0 + 100-65D-087 *Only piece 5 will appear
000-63D-6E9 + 3E0-64D-5D0 + 140-65D-087 *Only piece 6 will appear
000-63D-6E9 + 3E0-64D-5D0 + 180-65D-087 *Only piece 7 will appear