Mode could refer to:
- Hardmode - a change to all worlds that occurs after the defeat of the Wall of Flesh
- Expert Mode - a setting that makes a world’s enemies more difficult, changes drops of enemies there, and holds a host of other small changes
- Cursor modes - different modes of the cursor which change the way it interacts with different blocks and NPCs
- Lighting mode
- a setting which can be toggled between four modes, affecting the way furniture and other objects cast light - Camera mode
- a feature which allows capturing different areas of the screen - The Settings of the PC version
- Difficulty - a setting on all characters which changes what happens when they die
- Journey Mode - a setting that enabled certain features within the power tools
- Master Mode - a setting that makes the world's enemies much more difficult, changes drops of enemies there, and holds a host of other small changes