Solution: Ensure you are using tModLoader 0.11.8.5 specifically. Delete the ModLoader\Mods\Download folder and re-download mods manually via the Mod Browser (which still works for legacy versions).

You wouldn’t normally choose this version unless:

Before diving into the download process, it is crucial to understand what makes version 1.4.3.6 unique. Many players confuse it with the larger 1.4.4 "Labor of Love" update (which introduced new items, weapons, and the Echo Mist). However, 1.4.3.6 was the final stable build of the 1.4.3 "Don’t Starve Together" crossover update.

Key features of Terraria 1.4.3.6 include:

For GOG users, 1.4.3.6 represents a stable, offline-friendly, DRM-free experience that retains full modding capability without forced automatic updates from Steam.

If you have downloaded the offline installer, follow these steps to get the game running:

Portable Installation (No Install): If you want to run it without installing (e.g., on a work PC or school laptop), you can open the .exe installer using an archive tool like 7-Zip or WinRAR. Open the file, navigate to the app folder inside, and extract the game files directly to a folder of your choice.