Torchlight II features randomly generated dungeons and numerous types of monsters to fight for loot. Torchlight II is an action RPG as its predecessor, but features overland areas with multiple hub towns, and a longer campaign. Players are able to customize character appearance with choice of sex, face, hair style and hair color. Additionally, several elements from the first game return, such as pets and fishing.

The game features four playable character classes. Each class has 3 skill trees to choose from which enable customization within each class.