[Ghostwolf754]

Thats an amazingly vage question. There are tons of diff types of mods u can make. Player skins,gun skins,scopes,sounds,maps the liust pretty much goes on and on according to your imagination. Really tho, y not go around and look for some guides or sumtin instead of lazly ask us. Actaully u could have found tons of guides in the time it toook u to post that message...ok im bored now but im not going to tell u since there are tons of great guides on this site. (that was a little long for me not to answer...)