tModLoader for Windows

tModLoader is a free, open-source modding framework for the sandbox game Terraria. Available as a downloadable modification or through Steam, it provides an accessible way for you to load custom content, modify gameplay, and create new experiences within Terraria’s world. Its interface allows you to manage installed mods and customize your game with new items, enemies, and mechanics. 

tModLoader includes extensive APIs and hooks that make mod development easier, supporting content creators to push Terraria’s boundaries. Updates and a community-driven development process keep it up to date with Terraria’s mainline releases, providing a continuously growing toolset for modding or editing enthusiasts.

Customize your content

tModLoader's mod management interface lets you browse, install, and enable different mods with minimal fuss. Its built-in browser fetches available mods from an official repository, displaying version details and dependencies for straightforward tracking. Mod updates can be applied individually, with no need for manual file swapping. This system focuses on providing a straightforward framework for mod loading and toggling, giving you granular control over the modules you choose to integrate.

It offers extensive hooks and APIs for deep content creation. You can develop custom weapons, accessories, enemies, and even new biomes, using a well-documented system of classes and events. Code examples and community documentation help you find the right methods for manipulating game behavior. This level of flexibility supports mods that range from simple item tweaks to full game expansions, though it has a learning curve for advanced mod creation.

Its open-source nature allows the community to continuously expand and refine the tool. Developers frequently integrate new features and resolve issues in line with Terraria’s ongoing development. This active approach usually stays in sync with the latest Terraria updates, reducing compatibility gaps for players and creators. The forum thread and GitHub repository also provide resources and troubleshooting spaces, keeping the project transparent and well-supported.

A tool for creativity

tModLoader doesn’t add new gameplay or art itself. Instead, it creates a platform for mod creators and players to shape Terraria in new ways. It supports content creation by offering mod management tools, APIs, and an active community-driven project. Its clear framework for adding, managing, and coding mods allows you to modify the game without altering core files directly. However, it requires some technical familiarity to fully exploit its potential.

• Fixes for crashes or freezes
• Improvements to mod loading stability
• Resolved issues with specific game mechanics when mods are present
• Addressing problems with save files or world loading