tModLoader

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tModLoader

The official server for tModLoader, an API to mod Terraria. Collaborate and find the latest TML news!

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The left Shuriken of Ice
The left Shuriken of Ice
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9/13/2025

Not a single button in the mod library will work

I can't enble mods, disable mods, enter mod config, use the enable/disable all mods button , or anything else on that screen, even the back button does nothing, anyone know how to fix this?
Spooky
Spooky
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9/13/2025

im tryna go on my solo world but this keeps happening

bro please i dont want to lose it
ixsuspectz
ixsuspectz
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9/13/2025

Issue With dotnet

I am trying to launch, the command window comes up then closes after a few seconds. The game stops displaying as running on steam. Checking the launch logs, I get this. I tried multiple fresh installs of both terraria, tmod, and dotnet 6.0,8.0,&9.0.

Launch.log

DLH2108
DLH2108
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9/13/2025

Tmodloader keeps crashing

Idk if I have to update anything or what, but every time I make a new world, it just crashes
No description
ItzFlawlDead ( Don 🍗's version)
ItzFlawlDead ( Don 🍗's version)
View on Discord
9/13/2025

The issue keeps :(

i did the steps of the TML Troubleshooting guide but the issue keeps 😭 :Any error mentioning "cloud file provider" or OneDrive somewhere OneDrive is a default cloud backup service enabled by default on Windows computers. It controls the My Documents folder, which is where tModLoader saves files. If it has an issue, it can prevent the game from launching, see https://github.com/tModLoader/tModLoader/wiki/Basic-tModLoader-Usage-FAQ#windows-10-onedrive for more information....
No description
glazay
glazay
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9/13/2025

Black Area Bug

idk what this is, randomly appears.
No description
miniMcSelv
miniMcSelv
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9/13/2025

how to change file pathing from one drive to local disk

so basically all of my data in tmod and terraria is being saved and backed up to into my one drive and its taking up all of my one drive storage and i dont know how to change that, any help would be greatly appreciated
axiinyaa
axiinyaa
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9/13/2025

Random Low FPS spikes?

```json [ "AtmosphericLava", "MagicStorage", "SerousCommonLib",...
Vosička
Vosička
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9/13/2025

What is this error message?

I recently started occuring these types of errors and idk what it means? if I click ok the game continues normally but its wierd so... anyway how to fix it?
No description
winrain
winrain
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9/13/2025

World load trouble in multiplayer

i guess some mods confict, next day my friend get problem with spawn chunk loading
No description
Angel Soul
Angel Soul
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9/12/2025

tModLoader unplayable slow lag

Hello, I have lots of mods installed, but they don't take up much space. Still, the game is so slow that it is unplayable! Especially when the thunderstorm gets kicking. Then the game reaches literally 0 fps. Until the lightning is over. What causes all of this? Standard Terraria works 60 fps, but not tModLoader. If I hover with the cursor over the mod memory bar, it says the following:...

TERRARIA_Mods_ENABLE...

Moose, Disciple of Mothman
Moose, Disciple of Mothman
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9/12/2025

Lighting/background issues in some biomes.

I suddenly started having this problem just yesterday. It only seems to happen in Calamity's sulphurous sea, and Stars Above's lunar veil. I've tried individually uninstalling mods, but nothing seems to work.
No description
Saturnbugg
Saturnbugg
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9/12/2025

Unable to summon a slime rain in my world.

Whenever I try to summon a slime rain through most means it does not work. This means fargos mutant mod items, the hunt of the old god statue, and one does not spawn naturally. I have Calamity, thorium, luiafk reborn and DLC, alchemistNPC, fargos and a few more mods that I don't believe would cause the issue so I am not listing here. I can readily provide a full modlist I am just trying to save time.
lelek der echte
lelek der echte
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9/11/2025

automatically deletes some progress & shuts down when afk

I'm playing calamity (wotg) and after i beat queen bee i safe&quitted after i went back in the world my caracter was safed successfully (inventory was normal, still had the loot from queen bee) but my world "lost proggress" blocks i broke/placed were back to how it was when generated and the mastermode golden trophy like things you can place where also gone resulting the world not saving that i beat the boss(i know this because queen bee wasn't ticked in bosschecklist) and having to do all over again the shutting down when afk is self-explanatory...
Guy inside africa
Guy inside africa
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9/11/2025

is there any way to make calamity less laggy on multiplayer servers?

everytime we make a server its always laggy ping wise and its basically unplayable
Omniz
Omniz
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9/11/2025

cant launch tmodloader

I even reinstalled terraria and tmodkoader and removed all the mods
No description
Renz
Renz
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9/11/2025

I read that you could run tModLoader 1.4.3 on ARM64, would this be doable on ARM Mac?

I tried replacing the dotnet included, doing what was said for ARM Linux and such. But it just crashes.
Solution:
that tmodloaderarm tool works for anyone on answer overflow tmodloader 1.4.4 arm mac https://github.com/lrzo01/tModLoaderARM...

client.log

Dak Play
Dak Play
View on Discord
9/11/2025

Unable to launch current Tmodloader

I am an emulator, I emulate Tmodloader for phone. Terraria launched, the old version of Tmodloader also launched (1.4.3-legacy - Legacy - Stable tModLoader for Terraria v1.4.3) The latest version of Tmodloader does not want to start, tell me what the problem is?
No description
ozvect
ozvect
View on Discord
9/10/2025

.net ram usage

hi, just got a new beast of a pc (atleast for me, i had a gtx 1650) and i hav around 48 mods most being qol mods with just calamity + addons OR fargos. my laptop with 8 gbs of ram ran infernum pretty ok until wrath of the gods content. now, when i open tmodloader on this pc its SUPER LAGGY and task manager says .net is using a whopping 6,600 MB of ram. ive tried disabling mods, running cmd cleans, updating .net, etc etc.. plase help me people i got an rx 9060 xt, 16 gbs of ram, a ryzen 5 7600 6-core, 1 tb of storage. i really dont know what to do. also, roblox at max graphics runs slowly if it helps. it also lags but i havent checked ram usage....
кот без хвоста
кот без хвоста
View on Discord
9/10/2025

trouble with connecting

when im trying to connect to my friend, it instantly goes "Connection lost", and when he tries to connect, it gets stuck on "Connecting to <my username>". anyone knows how to fix this?
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