Teenage Mutant Ninja Turtles 3: Manhattan Project Game System: Nintendo System Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Teenage Mutant Ninja Turtles 3: The Manhattan Project ===================================================== =>Stage Select, Lives, Sound Test: Enter this code on the title screen BEFORE the demo appears - U U D D L R L R A B START. Press SELECT before START for a two-player game. =>Auto Mode: On the turtle selection screen, press Dx5 (for a 1-player game) or Dx10 (for a 2-player game). When you play, after one Turtle is defeated the next Turtle will be chosen randomly, rather than from the normal order. ---------------------------------------------------------------------- This game aid is used with kind permission of David F. Dayton from David Dayton's Nintendo Codebook Version 4.5 Download the latest version from: http://codebook.stals.com