This means the code is publicly available and anyone can make contributions to the project. Looking for some help? You can receive support on our forum thread on Terraria Community Forums or our Discord server! These are our best places to get support, and they are both linked directly from our Website, which you will find below on our Steam Store Page. NOTE: It is required that all your friends also install TML if you want to play together it is not possible for vanilla users to play with TML users. TML expands your Terraria adventures with new content to explore created by the Terraria community! TML allows players to create and play Terraria mods and is designed in such a way so that you can play alone or together with friends - with one mod or with multiple, choose to play however you like! TModLoader (TML) is an open-source, community-driven modification and expansion of the Terraria game that makes it possible to make and play mods. Dig, Fight, and Build your way through the world of player-created mods on Terraria with tModLoader - this DLC makes modding Terraria a reality!

How to mod on steam