C A L A M I T Y
灾厄大修
Step into the ember and retrieve forgotten arms and legend.
Install, run, read, gather.
INSTALL
Download & Install
Pick an entry that suits your setup.
Three channels, choose by your network and habit — Steam Workshop for live updates, GitHub for stable builds, or archived versions.
GET STARTED
Getting Started
Four steps into the Calamity world.
From a blank save to your first swing — Calamity Overhaul only needs four short steps. No external docs required.
- STEP 01 tModLoader
Install tModLoader
Search and install tModLoader on Steam — the runtime that hosts every Terraria mod.
- STEP 02 Workshop
Subscribe to the Mod
Subscribe to Calamity Overhaul on the Workshop. The launcher will download and verify it.
- STEP 03 Mods Menu
Enable the Mod
Check it in tModLoader's Mods menu and Apply. We recommend disabling other heavy mods first.
- STEP 04 New World
Begin Your Run
Create a dedicated world and dive into a Terraria reshaped by Calamity.
EXPLORE THE CODEX
Explore the Codex
Discover the different chapters.
This site documents legendary arms, mechanics, story commissions and every new item. Start at the top, or jump to the chapter you crave.
Legendary Weapons
Trials, skill fish, and the three legendary arms.
Story & Adventure
Story arcs, commissions, key characters.
Item Catalog
Browse all new items, weapons and equipment.
Mechanics
Quest Log and other new gameplay systems.
Industrial System
Master automation and machinery.
Guides
In-depth articles and dedicated manuals.
JOIN THE COMMUNITY
Join the Community
Discuss and build with us.
File issues, report bugs, or just chat about the next patch — every entrance is below.
