You can never get enough grenades and bombs when you're exploring
the  dangerous  floor  of the Genloq building. Start the game and when
you  land  on the Genloq roof save the game and quit. Use a Hex editor
to  edit  the  file SAVE.DAT and search for the following two lines of
code:

Lives left    Saved lives     Grenades     Bombs
|    ---------|               |         ---|
|    |                        |         |
02 03 00 00 00 00 05 00 50 00 00 00 7F 7F 05 00
00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00
|    |    |     ---------------------
|    |    -----------               |
|    |              |               |
|    -----|         |               |
Freezers  Shields   Electric fences   Package for Derrida

     Change  the  appropriate  figure  to  a  hexadecimal  number. For
example  for  255 of everything change all the numbers which have been
labeled to FF.