NBA Showtime - NBA on NBC - Platform: Gameboy Color

Cheat mode
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Enter one of the following codes and press Start at the 
"Tonight's Matchup" screen to activate the corresponding 
cheat function.

Effect Code
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Unlimited turbo Press Up, B, A, Up, B, A, Up, B, A  
Extra courts Press Left(2), A(2), Left, Down, Right, B, A  
Extra teams Press Up, A, Down, B, Right, Left, Right, Left, B, A  


Hint: Change CPU lineup
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Select any game mode except for practice. After you and the CPU 
have selected lineups, the "Tonight's Match Up" screen will appear. 
Press B at this screen and sometimes the CPU will change its 
lineup with lesser players.