Note: This procedure requires editing a game file; creating a backup copy of the file before proceeding is recommended. With a text editor, edit the "WillowGame.ini" file in the "\My Documents\My Games\Borderlands\WillowGame\Config" folder. To activate the following cheats, change the specified value in one of the following lines in that file to the corresponding value:
Bosses do not regain health after dying
Replace "bBossesRegenHealthOnReset" with "true"
Can damage own teammates
Replace both entries of "bIgnoreFriendlyFire" with "false"
Increase maximum inventory
Change "InventorySlotMax_Misc" to a higher number
Increase weapon slot capacity
Change "WeaponReadyMax" from 2 to 4
Replace "bDemiGodMode" with "true"
NPCs can damage each other
Replace "bIgnoreNPCFriendlyFire" with "false"
Resurrect all players when someone dies
Replace "bResurrectAllPlayersWhenOneDies with "true"