You can usually set this in your mouse configuration program (look on the manufacturer’s website).ĭisable steam overlay by right-clicking Terraria in Steam -> Properties and un-check ‘Enable the Steam Overlay while in-game’ If you have inconsistent mouse movement, especially when moving multiple mice, make sure the polling rates on your mice are set as low as possible. Enter localhost as IP and 7777 as the port. On the other instances, go to Multiplayer -> Join via IP. On one instance, use Multiplayer -> Host & Play.
Make sure they are running in Windowed mode (see video options). Launch Terraria.exe as many times as you need. Open the Terraria directory by right-clicking Terraria in Steam -> Properties -> Local files -> Browse game files…
