This page documents modding content that is affiliated with the Calamity Mod that has been created by members of the community, as well as mods that Calamity augments or officially supports.
Add-on mods are separate mods that either change Calamity's content or add new content that is typically Calamity-themed. Add-on mods usually are not able to be played by themselves, with some exceptions, and require Calamity to be played with.
Catalyst is an expansion mod made by Heart Plus Up! and several other developers. It reimplements an overhauled version of the Astrageldon Slime as a superboss, with more superbosses and some additional biomes planned for the future. This mod also adds Flamethrowers and Whips that originated from Calamity Flamethrowers and Unofficial Calamity Whips. The mod's Discord link can be found here, and its wiki can be found here.
Calamity's Vanities is a vanity mod created by Hypera and currently owned by YuH, with sprites, code, and designs from various other contributors. The mod adds over 80 new pets based on the mod's content, several mounts, critters, and an assortment of other vanity items. The mod's Discord link can be found here and its own wiki can be found here.
Infernum Mode is a combat-oriented mod by Dominic Karma and is currently maintained by Toasty, which it adds a brand-new difficulty mode. Infernum Mode adjusts the behaviors of vanilla and Calamity bosses, with the intention of making bosses more difficult, while also adding special effects in later fights. The mod's content development officially ended after the release of version 1.9, though the mod will not be discontinued and will still be updated with bug fixes and to maintain parity with the latest Calamity version. Its wiki can be found here.
Vanilla Calamity Mod Music (previously known as Unofficial Calamity Mod Music) is a music mod by apotofkoolaid and Heart Plus Up! that aims to replace the entire vanilla soundtrack with new songs made in the context of Calamity's OST. Currently, the mod adds 47 new music tracks to various areas of the game, each with their own music box. The mod's Discord link can be found here and its soundtrack can be found here. Its wiki can be found here.
Calamity Loot Swap is a quality-of-life mod created by YuH. It adds "manipulator" items as drops from bosses, which allows the player to switch between any of the boss's loot at will to obtain the desired drop.
Historical Add-on Mods
Historical add-on mods are add-on mods which have been rendered unplayable due to an update either for Calamity or tModLoader. Some of these mods have had support cut off entirely, while others are still in the process of porting. Most of these mods can be played by switching the branch of tModLoader to
1.3-legacy, and downgrading Calamity to a version listed in each entry's description.
Calamity's Souls is an item mod by Plantare. It adds dozens of new accessories which combine Calamity's own armors and accessories, along with adding unique new effects themed around them on top. It also adds a new difficulty mode, some new grab bag fishing drops, and a few weapons. The mod has currently not been ported to Terraria 1.4, but a port is planned for the future. The mod requires Calamity's Plantation in order to be enabled.
Cataclysm is a quality-of-life mod by Tomat (a.k.a. Convicted Tomatophile) that adds various changes to the mod's content to increase quality of life. Such changes include, but are not limited to: additional text below enemies to indicate whether they are organic or inorganic, granting new drops to certain bosses and enemies, and several recipe changes. The mod also adds a few new items, such as a rare item variant of the Cursed Dagger and an item that allows players to instantly teleport to the Sulphurous Sea similarly to the Magic Conch. The mod has currently not been ported to Terraria 1.4, but a port is planned for the future. Tomat's Discord server can be found here.
Apotheosis & Friends was a joke mod created by Terry N. Muse. The mod contained several overpowered weapons with excessive crafting trees based on the weapon Apotheosis and The Devourer of Gods, a few pets, combinations of the mod's accessories, items which reset boss flags, and a re-implementation of THE LORDE alongside its own theme. The mod is no longer being maintained, and is no longer able to load on Calamity Mod versions 1.5.1.001 and higher, with 1.5.0.004 being the latest playable Calamity version. Its Terraria forum page can be found here.
Emphatic Untamed Calamity was an expansion mod by Seraph. It added new facets to the lore as well as more post-Moon Lord content. The add-on contained several new items, a town NPC, lore alterations, a Plague themed minibiome, and a new boss known as Goozma. The mod has been discontinued, and is no longer able to load on Calamity Mod versions 1.4.5.001 and higher, with 1.4.4.004 being the latest playable Calamity version. A legacy download can be found here.
Legendaries+ was an item mod by RandomZachOfKindness, with some sprites from other contributors. It added several Legendary items, extremely rare weapons and ammunition dropped from bosses in Revengeance Mode. The mod has been discontinued and is no longer able to load on Calamity Mod versions 2.0.0.001 and higher, with 1.5.1.006 being the latest playable Calamity version. The mod's Discord link can be found here.
Supported mods are separate mods that are usually meant to be standalone, but that Calamity adds support for. These mods can be played without Calamity.
Nycro's Nohit Efficiency is a mod created by Nycro that enables the configuration of various things in game to make nohitting go a little more smoothly. Despite the mod's name, it also contains various other, non-nohit related quality of life features, and additionally re-adds the functions of two items that were previously in the Calamity Mod: the Defiled Feather and Armageddon.
Boss Checklist is a mod that adds an in-game checklist that you can toggle with a hotkey. When you defeat a boss, the checklist will update accordingly.
Summoners Association is a mod that aims to fix a few grievances with summons and flesh out Summoner to be a fully developed class.
Census is a mod that adds Town NPC Checklist modifies the housing panel to show missing townspeople.
Fargo's Mutant Mod is a QoL mod that reduces grinding, allows more control over the game, and overall saves you time in nearly every aspect of Terraria.
Resource packs are a collection of files that exist solely to change the game's existing assets, usually being textures. Resource packs can be used in the vanilla game without requiring tModLoader, via the Workshop Hub on the game's main menu.
The Calamity Texture Pack is a texture pack created by Niorin which seeks to improve vanilla Terraria's sprites to match the quality and stylings of Calamity's. The texture pack currently contains more than 1,000 sprites, including several bosses, tiles and weapons, contributed from an assortment of different spriters. The texture pack's Discord link can be found here.
Several mods exist which translate the content in the Calamity Mod into different languages, and most are currently available on the mod browser. Translation mods currently exist for: