Cheat codes are entered at the command line by typing "CYCLONES
8335791" followed by the desired code(s).
CYCLONES 8335791 [-D(E M H)] [-W(1-8)] [-L] 
[-A(1-3)] [-J] [startx starty] [startz]
* -D(E M H) Set difficulty (DE = easy, DM=medium, DH=hard)
* -W<#> Start with weapons up to the number specified.
(i.e., -W3 will provide weapons 1 through 3 - the Gauss Pistol, the
Chaingun, and the Alien Pistol)
* -L<#> Start at level number (e.g. CYCLONES 8335791 -L5)
Note that levels 9, 17, 18, 20, and 24 are incomplete and are not
visited during normal gameplay.
* Specify a map by name (the .MAP files in the directory)
Location defaults to (1,1).
* -A<#> Start with armored suit/hand weapon 1-3 for the game.
1=Sabre glove. 2=Saw glove. 3=Nano hand.
* -J Start with a fully charged jump jet.