G:New Tetris, The

T:Activators

C:Activator #1|D01101B2 00??
C:Activator #2|D01101B3 00??
C:16-Bit Activator|D01101B2 ????
C:Fake Score Won Modifier (After You Lose)|8111EED6 ????<BR>8111EEB6 ????|CodeMaster|

T:Miscellaneous Codes

C:L + C-Down For Cheat Screen|D01101B3 0024<BR>8103BFE0 0000<BR>D01101B3 0024<BR>8103BFE2 0000|Most by Kong K. Rool|At any time during the game, push L + C-down to open the "Cheat Screen". The cheat screen gives you the password for Fast Mode in the 1-player game. Be aware that opening the screen during some parts of the game will make the cheat screen look disoriented. Also, when you open the cheat screen, you must turn the system off becuase there is no way to leave the screen.
C:Turbo Mode (Single Player Mode)|810CFF60 38D1|Robb|
C:Roman Stage-  Line Modifiers|802A51A6 00??<BR>802A56CE 00??<BR>802A5BE2 00??|Delta FORCE|(for all levels, the shape quantities are as follows, square = 240 in decimal, or F0 in hex (FOh, h is for hex)<BR>L shaped figure = 48, 30h<BR>backwards L shaped figure = 80, 50h<BR>Line = 208, D0h<BR>_|¯|_<BR>|_____| shape = 176, B0h<BR>__|¯¯¯|<BR>|____|¯ shape = 144, 90h<BR>backwards of above shape = 112, 70h<BR>All other quantities, 10, 20, so on not listed come up as a single square, that when a few spaces down, ends the current game, and you get 0 lines total)
C:Egyptian Stage - Line Modifiers|80287A36 00??<BR>80287F5E 00??<BR>80288472 00??|Delta FORCE|
C:Aztec Stage - Line Modifiers|80290886 00??<BR>80290DAE 00??<BR>802912C2 00??|Delta FORCE|
C:Shape speed modifier|8111EEEA ????|Delta FORCE|I forget the exact quantities, but mess around with it yourself to find a speed you like.
C:Pieces Are Suspended|802A52F1 0056|Zayjee|This code works only on the Roman level.  It also makes Roman the only playable level.
