theres been a mod of the dmeo released that can give you all the weapons of the full game, with tanks, helicopters etc and an alien to kill!

http://www.rockpapershotgun.com/2007/10/31/crysis-crisis-deepens/

some of the comments are pretty funny too

, to some people it spoils the game though but im gonna dl it nywayz get wait to get hold of the nuke tank!!! !!! !!

Heh, I can remember messing about with this ages ago. Was pretty fun, though a few things were a tad broken. Good fun, though.

I knew of the weapons and vehicles because they appeared in the editor.

still cool tho