To activate input cheat dialog box double click the left top corner of the patlabor logo type: kidokeisatsu to activate cheat mode then you can type these codes :

- iwannafollowizumi : view steps for solving the puzzle

- morelaborsparepart : get 1000 points (this will only work 3 times and you must playing at level 8 or 9 with score under 20000)