Cyclone

Start the game with this parameters:
835791 : enable cheats (must be first)
-Dx   : Select skill (x = E, M or H)
-Wx   : Change # weapons (Eg. -W3)
-Lx   : Select level x
-Ax   : Change items x (1 to 3)
-J     : gives jetpack
For example:
CYCLONE 833591 -L4 -W4 -A2 -DE