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Crafting Your Realm: World Settings

Terraria worlds are static once they are generated. This means you cannot expand a “Small” world into a “Large” world or change “Classic” to “Master” mode after the files have been created. These settings must be defined in your configuration before the server initializes its first world.
Reading TimeDifficultyLast Updated
5 minutesBeginnerJanuary 2026

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Configuration (serverconfig.txt)

You can define these variables in your serverconfig.txt file or via the Startup tab in the FREAKHOSTING panel.

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1. World Size (autocreate)

  • 1 (Small): Recommended for singleplayer or 1-2 players.
  • 2 (Medium): A good balance for small friend groups.
  • 3 (Large): Highly Recommended for public servers (4+ players) to ensure enough loot and biome space for everyone.

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2. World Difficulty (difficulty)

  • 0 (Classic): Standard gameplay.
  • 1 (Expert): Increased boss health, better drop rates, and unique Treasure Bags.
  • 2 (Master): Extreme difficulty, exclusive relics, and pet drops.
  • 3 (Journey): Narrative-driven mode with research and duplication powers.

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Regenerating Your World

If you have already started a world and want to change these settings, you must force a regeneration:
  1. Stop the Server.
  2. Navigate to your /Saves/Worlds/ directory and either delete or rename the existing .wld file.
  3. Update your serverconfig.txt with the new settings.
  4. Start the Server. The engine will detect the missing world and generate a new one based on your updated criteria.

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Support Channels

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Last Updated: January 2026 | Terraria: World generation rules set.