Room JSON Level Editor (Multi-Room + Linking)

Load multiple room JSONs here. Click a room to edit it. Linking lets you pick an exit in one room and a spawn in another.

Downloads are per-room. Checked download will save one file per checked room.

Shortcuts: Ctrl+Z undo, Ctrl+Y redo, Ctrl+C/V copy/paste, Del delete, Ctrl+D duplicate.

Load an enemy types JSON (keyed by enemy id). Used for placement dropdown, hitbox preview and aggro range preview.

Draw enemy aggro ranges

Load objects.json to get default properties (lamp ranges, future objects).

No objects loaded.

1) Select an Exit in the active room
2) Choose target room + spawn (entry spawn)
3) Click Link

Draw link lines (auto-enables Compare)

Link Mode: select an Exit in the active room, then click an entry spawn marker in the compare canvas to auto-link.

Compare shows a second room canvas (read-only) to visually match door positions.

Select something to edit properties.