Cheat for infinite ammo in fracture?

No but when you get 100% completion you can go as high as you want but youll have to buy it at the gun store or cheat 482 555 0100

just open up cheat engine and battlefield,click the computer and windows list and find battlefield,enter the number of ammo then fire and enter the remaining ammo,you will see addresses in the left...

go to black ops chaets.com

for some games there is

Use GameFAQs. http://www.gamefaqs.com/console/ps2/code/927131.html