Except the game is 95% PVE. Rest is co-op. That said it's still online and co-op does fall under the category of multiplayer. So I understand the lack of a trainer and agree with it. There are plenty of sites that offer them for mp games if you want but we at CH don't support it.
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem