How to Install Mods on Your Terraria Server (tModLoader)

How to set up tModLoader and install mods like Calamity and Thorium.

In Startup, change server type to tModLoader.

In Files, navigate to ModLoader/Mods/. Upload .tmod files.

CalamityMod.tmod

ThoriumMod.tmod

enabled.json

Edit enabled.json: ["CalamityMod", "ThoriumMod"]

Popular Mods

Mod	Description
Calamity	Massive expansion — bosses, biomes, 2000+ items
Thorium	New classes (Bard, Healer), bosses

All players must have matching mods.

How is this guide?

How to Connect to Your Terraria Server

Join your Terraria dedicated server using the in-game Multiplayer menu via direct IP or Steam friends.

How to Change Max Players on Your Terraria Server

Set the player limit on your Terraria dedicated server using maxplayers in serverconfig.txt.