hamachi 1.15 thats the download link
Filehippo.com
after you download get in and find an option that has create a new network
set a password and a name for the server let your friend or friends download it and then there is another option called join an existing network let them, join make a lan server and they should see it

Crysis Coop Mod DOWNLOAD HERE

Goto the download section and download all maps as fast as you can. Unzip and place them in the map dir of crysis wars. (The “ia” dir or the “ps” dir)

Play The Best Engine on the planet in cooperative mode right now..

Crysis Coop Mod DOWNLOAD HERE