Terraria World Seed & Difficulty Planner
Configure your new Terraria server world. Choose a difficulty mode, world size matched to your player count, and optionally a special seed. The tool exports the exact serverconfig.txt lines needed for world creation.
World Settings
Enter a special seed or any text/number for a reproducible world
Special / Secret Seeds
Click a seed to select it. These seeds activate special world generation modifiers.
serverconfig.txt — World Creation Lines
These lines go in serverconfig.txt. The server will auto-create the world on first launch if the world file does not exist.
difficulty=0 autocreate=2 worldname=Server World worldpath=/path/to/worlds/
Difficulty Comparison
| Mode | Damage | Player HP Bonus | Special |
|---|---|---|---|
| Classic (0) | ×1.0 | None | Standard loot, no death penalty |
| Expert (1) | ×2.0 | +20% max HP | Boss bags, improved loot |
| Master (2) | ×3.0 | +50% max HP | Relics, best loot, drops item on death |
| Journey (3) | Custom | Custom | Research, duplicating, time/spawn control |
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