Dead Island Discussion
I don't recall exactly where in the thread it is, but it's there.
I found out how to have more inventory slots. Look in the Data/Skills folder for logan_levels.xml, purna_levels.xml, etc depending on which character you want to increase. In the first section for level 1 look for
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem