Tiny application that lets you force remote play together any game you have in your steam library including non-steam ones.
Open source
24 alternativestModLoader
A mod to make and play Terraria mods. Supports Terraria 1.4 (and earlier) installations
About tModLoader
tModLoader is an open-source modification and expansion of Terraria for making and playing community-made mods. It supports Terraria 1.4 and earlier installations and allows solo play or multiplayer with one or multiple mods.
Multiplayer requires all participants to install tModLoader; users on vanilla Terraria cannot play with tModLoader users. It is distributed via Steam with separate instructions for players, mod developers, and contributors, and the code in this repository may be ahead of the released version.
Key features
- Create and play community-made Terraria mods
- Supports Terraria 1.4 and earlier installations
- Play solo or multiplayer with one or multiple mods
- Separate setup paths for players, developers, and contributors
- Distributed via Steam with install instructions
- Open-source code licensed under MIT
Best for: Terraria players and developers who want to make or play community mods.
Good for
- Described as free-to-use and community-driven
- Supports solo and multiplayer modded play
- Open-source under the MIT license
Watch out for
- Multiplayer requires all players to install TML; vanilla users cannot join
- Repository code is ahead of the current released version
tModLoader at a glance
- Category
- Gaming › Steam Communities & Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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tModLoader FAQ
Can I play with friends who use vanilla Terraria?
No. All friends must also install TML to play together; vanilla users can't play with TML users.
Where do I get tModLoader?
Get tModLoader on Steam, following the instructions for players, developers, or contributors.
Is tModLoader free to use?
Yes. The project describes TML as a free-to-use modification of the game.
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Tell us and an editor will check it.
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