When playing modded games, you can view your mod history, any previously played mods, and the impact disabling mods may have on your character. In addition, A new launcher lets you customize which mods are currently active. GUTS mods can be shared with your friends, and multiplayer games using mods can be found in the modded games lobby.
It lets you modify almost everything about Torchlight II, from item and skill balance, to level layouts, animations, quests, and much more.