Best Terraria Mods (and How to Install Them)
First, install tModLoader
Almost every Terraria mod runs on tModLoader, a free official companion download on Steam. Installing it gives you a separate copy of the game with a mod browser built in, so your unmodded saves stay untouched.
- 1Get tModLoader from the Steam store — it's a free download for anyone who owns Terraria.
- 2Launch it and open the Mod Browser from the main menu.
- 3Search for the mods you want, download them, then enable them and reload.
Mods load in a stack, and content mods can conflict. Start with a small set, confirm your world loads, then add more one at a time.
Big content mods
These add dozens of hours of new progression. Pick one as the backbone of a playthrough rather than stacking several at once.
- Calamity — a massive expansion with around thirty new bosses, hundreds of enemies, over two thousand items and extra difficulty modes. Brutally hard and effectively a parallel campaign.
- Thorium — adds thousands of items plus three new classes (thrower, bard and healer) and weaves into the vanilla progression so it feels like part of the base game.
- Spirit and other overhaul mods — fresh biomes, bosses and events for players who've already cleared Calamity and Thorium and want something new.
Quality-of-life essentials
These don't change the game's difficulty — they just remove busywork, and most people keep them installed permanently.
- Magic Storage — links all your chests into one searchable, craftable storage hub. Practically mandatory once your loot piles up.
- Recipe Browser — a full searchable recipe and item database in-game, far beyond what the Guide offers.
- Boss Checklist — lays out the boss order and ticks each one off as you beat it, so you always know what to fight next.
- Fargo's Mods — a deep bag of conveniences and summons that smooth out grinding and travel.
Playing modded with friends
Modded multiplayer works, but everyone in the session needs the same tModLoader version and the exact same enabled mod list, or they won't be able to join. Share your mod set before you start so nobody's left out.
See the vanilla boss orderFAQ
How do you install Terraria mods?
Install tModLoader, a free official download on Steam for anyone who owns Terraria. It opens a separate modded copy of the game with a built-in Mod Browser, where you search for, download and enable mods without affecting your unmodded saves.
What is the best Terraria content mod?
Calamity and Thorium are the two biggest. Calamity is a brutally hard parallel campaign with around thirty new bosses and extra difficulty modes; Thorium adds thousands of items and three new classes (Bard, Healer and a revamped Thrower) while blending into the vanilla progression.
What are the best quality-of-life mods for Terraria?
Magic Storage (one searchable storage hub for all your chests), Recipe Browser (a full in-game recipe database), and Boss Checklist (the boss order with automatic tick-offs) are the staples most players keep installed in every run.
Can you play modded Terraria with friends?
Yes, but everyone needs the same tModLoader version and the identical list of enabled mods. Share your exact mod set before starting a session so all players can join.