World Properties
The World Properties panel lets you view and edit world metadata, progression flags, and NPC status.

Sections
World Info
- World Name — Rename your world
- Seed — View the world seed
- World ID — Unique identifier
- Surface / Bedrock Level — Adjust terrain layer boundaries
Time & Weather
- Time — Set in-game time of day
- Moon Phase — Cycle through moon phases
- Blood Moon / Eclipse — Toggle events
- Rain / Sandstorm — Toggle weather
Boss Progression
Toggle which bosses have been defeated. This affects NPC spawning, world drops, and hardmode status.

Invasions & Events
- Goblin Invasion / Pirate Invasion / Martian Madness
- Meteor spawned
- Smashed Orbs/Hearts count
NPCs
Manage town NPCs — add, remove, and set their home positions.

tip
Use the Point tool to visually place NPC homes on the map.